1bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar//===-- CodeGenFunction.h - Per-Function state for LLVM CodeGen -*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump// This is the internal per-function state used for llvm translation. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#ifndef CLANG_CODEGEN_CODEGENFUNCTION_H 15ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#define CLANG_CODEGEN_CODEGENFUNCTION_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1755fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "CGBuilder.h" 1855fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "CGDebugInfo.h" 196bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#include "CGLoopInfo.h" 2055fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "CGValue.h" 2155fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "CodeGenModule.h" 22651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "CodeGenPGO.h" 23651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "EHScopeStack.h" 2455fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/AST/CharUnits.h" 25e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis#include "clang/AST/ExprCXX.h" 265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/ExprObjC.h" 2755fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/AST/Type.h" 2814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/Basic/ABI.h" 29524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir#include "clang/Basic/CapturedStmt.h" 30481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "clang/Basic/TargetInfo.h" 3155fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Frontend/CodeGenOptions.h" 324c7d9f1507d0f102bd4133bba63348636facd469Jay Foad#include "llvm/ADT/ArrayRef.h" 33481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "llvm/ADT/DenseMap.h" 34481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "llvm/ADT/SmallVector.h" 35651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "llvm/IR/ValueHandle.h" 36c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher#include "llvm/Support/Debug.h" 378f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass BasicBlock; 406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass LLVMContext; 416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass MDNode; 426bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass Module; 436bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass SwitchInst; 446bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass Twine; 456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass Value; 466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CallSite; 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ASTContext; 516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass BlockDecl; 526bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CXXDestructorDecl; 536bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CXXForRangeStmt; 546bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CXXTryStmt; 556bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass Decl; 566bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass LabelDecl; 576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass EnumConstantDecl; 586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass FunctionDecl; 596bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass FunctionProtoType; 606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass LabelStmt; 616bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCContainerDecl; 626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCInterfaceDecl; 636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCIvarDecl; 646bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCMethodDecl; 656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCImplementationDecl; 666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCPropertyImplDecl; 676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass TargetInfo; 686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass TargetCodeGenInfo; 696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass VarDecl; 706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCForCollectionStmt; 716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCAtTryStmt; 726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCAtThrowStmt; 736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCAtSynchronizedStmt; 746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass ObjCAutoreleasePoolStmt; 755549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CodeGenTypes; 786bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CGFunctionInfo; 796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CGRecordLayout; 806bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CGBlockInfo; 816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass CGCXXABI; 826bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass BlockFlags; 836bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesclass BlockFieldFlags; 840dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 859d232c884ea9872d6555df0fd7359699819bc1f1John McCall/// The kind of evaluation to perform on values of a particular 869d232c884ea9872d6555df0fd7359699819bc1f1John McCall/// type. Basically, is the code in CGExprScalar, CGExprComplex, or 879d232c884ea9872d6555df0fd7359699819bc1f1John McCall/// CGExprAgg? 889d232c884ea9872d6555df0fd7359699819bc1f1John McCall/// 899d232c884ea9872d6555df0fd7359699819bc1f1John McCall/// TODO: should vectors maybe be split out into their own thing? 909d232c884ea9872d6555df0fd7359699819bc1f1John McCallenum TypeEvaluationKind { 919d232c884ea9872d6555df0fd7359699819bc1f1John McCall TEK_Scalar, 929d232c884ea9872d6555df0fd7359699819bc1f1John McCall TEK_Complex, 939d232c884ea9872d6555df0fd7359699819bc1f1John McCall TEK_Aggregate 949d232c884ea9872d6555df0fd7359699819bc1f1John McCall}; 959d232c884ea9872d6555df0fd7359699819bc1f1John McCall 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 985936e33bf74dd6bf126ceee0f6169a2593d03a69John McCallclass CodeGenFunction : public CodeGenTypeCache { 99f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko CodeGenFunction(const CodeGenFunction &) LLVM_DELETED_FUNCTION; 100f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko void operator=(const CodeGenFunction &) LLVM_DELETED_FUNCTION; 1014c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 1024c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall friend class CGCXXABI; 103bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 104ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall /// A jump destination is an abstract label, branching to which may 105ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall /// require a jump out through normal cleanups. 106f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall struct JumpDest { 1076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines JumpDest() : Block(nullptr), ScopeDepth(), Index(0) {} 108ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall JumpDest(llvm::BasicBlock *Block, 109ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall EHScopeStack::stable_iterator Depth, 110ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall unsigned Index) 111ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall : Block(Block), ScopeDepth(Depth), Index(Index) {} 112ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 1136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool isValid() const { return Block != nullptr; } 114ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall llvm::BasicBlock *getBlock() const { return Block; } 115ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall EHScopeStack::stable_iterator getScopeDepth() const { return ScopeDepth; } 116ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall unsigned getDestIndex() const { return Index; } 1179cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 118495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem // This should be used cautiously. 119495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem void setScopeDepth(EHScopeStack::stable_iterator depth) { 120495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem ScopeDepth = depth; 121495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem } 122495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 123ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall private: 124f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *Block; 125f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall EHScopeStack::stable_iterator ScopeDepth; 126ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall unsigned Index; 127ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall }; 128ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 130444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &Target; 1310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 13258dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 1336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines LoopInfoStack LoopStack; 13445d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar CGBuilderTy Builder; 1350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /// \brief CGBuilder insert helper. This function is called after an 1376bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /// instruction is created using Builder. 1386bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void InsertHelper(llvm::Instruction *I, const llvm::Twine &Name, 1396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::BasicBlock *BB, 1406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::BasicBlock::iterator InsertPt) const; 1416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 142f5ebf9bf1df10ac15ba32a4b24dfe171b7848c58John McCall /// CurFuncDecl - Holds the Decl for the current outermost 143f5ebf9bf1df10ac15ba32a4b24dfe171b7848c58John McCall /// non-closure context. 1444111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner const Decl *CurFuncDecl; 145b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// CurCodeDecl - This is the inner-most code context, which includes blocks. 146b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner const Decl *CurCodeDecl; 14788b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar const CGFunctionInfo *CurFnInfo; 148391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1516a1e0eb557d47e85185e09bdf8721f53f4bf9c9cMike Stump /// CurGD - The GlobalDecl for the current function being compiled. 1526a1e0eb557d47e85185e09bdf8721f53f4bf9c9cMike Stump GlobalDecl CurGD; 1536a1e0eb557d47e85185e09bdf8721f53f4bf9c9cMike Stump 154f85e193739c953358c865005855253af4f68a497John McCall /// PrologueCleanupDepth - The cleanup depth enclosing all the 155f85e193739c953358c865005855253af4f68a497John McCall /// cleanups associated with the parameters. 156f85e193739c953358c865005855253af4f68a497John McCall EHScopeStack::stable_iterator PrologueCleanupDepth; 157f85e193739c953358c865005855253af4f68a497John McCall 1585ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnBlock - Unified return block. 159f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest ReturnBlock; 160f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 1610dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ReturnValue - The temporary alloca to hold the return value. This is null 162f3477c13eeaf11b32a41f181398fb5deffd0dd73Sylvestre Ledru /// iff the function has no return value. 163b17daf9ab790ae71aacad2cc4aa11cd8d86c25d1Eli Friedman llvm::Value *ReturnValue; 1640dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 167481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner llvm::AssertingVH<llvm::Instruction> AllocaInsertPt; 1680ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 169524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief API for captured statement code generation. 170524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir class CGCapturedStmtInfo { 171524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir public: 172524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir explicit CGCapturedStmtInfo(const CapturedStmt &S, 173524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CapturedRegionKind K = CR_Default) 1746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Kind(K), ThisValue(nullptr), CXXThisFieldDecl(nullptr) { 175524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 176524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir RecordDecl::field_iterator Field = 177524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir S.getCapturedRecordDecl()->field_begin(); 178524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir for (CapturedStmt::const_capture_iterator I = S.capture_begin(), 179524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir E = S.capture_end(); 180524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir I != E; ++I, ++Field) { 181524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir if (I->capturesThis()) 182524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CXXThisFieldDecl = *Field; 183524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir else 184524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CaptureFields[I->getCapturedVar()] = *Field; 185524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir } 186524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir } 187524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 188524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir virtual ~CGCapturedStmtInfo(); 189524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 190524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CapturedRegionKind getKind() const { return Kind; } 191524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 192524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir void setContextValue(llvm::Value *V) { ThisValue = V; } 193524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir // \brief Retrieve the value of the context parameter. 194524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir llvm::Value *getContextValue() const { return ThisValue; } 195524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 196524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief Lookup the captured field decl for a variable. 197524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir const FieldDecl *lookup(const VarDecl *VD) const { 198524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir return CaptureFields.lookup(VD); 199524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir } 200524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 2016bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool isCXXThisExprCaptured() const { return CXXThisFieldDecl != nullptr; } 202524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir FieldDecl *getThisFieldDecl() const { return CXXThisFieldDecl; } 203524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 204524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief Emit the captured statement body. 205524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir virtual void EmitBody(CodeGenFunction &CGF, Stmt *S) { 2066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines RegionCounter Cnt = CGF.getPGORegionCounter(S); 2076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Cnt.beginRegion(CGF.Builder); 208524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CGF.EmitStmt(S); 209524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir } 210524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 211524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief Get the name of the capture helper. 212524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir virtual StringRef getHelperName() const { return "__captured_stmt"; } 213524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 214524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir private: 215524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief The kind of captured statement being generated. 216524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CapturedRegionKind Kind; 217524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 218524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief Keep the map between VarDecl and FieldDecl. 219524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir llvm::SmallDenseMap<const VarDecl *, FieldDecl *> CaptureFields; 220524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 221524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief The base address of the captured record, passed in as the first 222524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// argument of the parallel region function. 223524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir llvm::Value *ThisValue; 224524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 225524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir /// \brief Captured 'this' type. 226524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir FieldDecl *CXXThisFieldDecl; 227524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir }; 228524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir CGCapturedStmtInfo *CapturedStmtInfo; 229524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 230b3198a841e7f356f171f1e11faff014b2deb1eb8Nuno Lopes /// BoundsChecking - Emit run-time bounds checks. Higher values mean 231b3198a841e7f356f171f1e11faff014b2deb1eb8Nuno Lopes /// potentially higher performance penalties. 232b3198a841e7f356f171f1e11faff014b2deb1eb8Nuno Lopes unsigned char BoundsChecking; 233b3198a841e7f356f171f1e11faff014b2deb1eb8Nuno Lopes 2344f45bc099f2665bc6e4bcbb169aa452390dbf3feWill Dietz /// \brief Sanitizer options to use for this function. 2354f45bc099f2665bc6e4bcbb169aa452390dbf3feWill Dietz const SanitizerOptions *SanOpts; 2364f45bc099f2665bc6e4bcbb169aa452390dbf3feWill Dietz 237f85e193739c953358c865005855253af4f68a497John McCall /// In ARC, whether we should autorelease the return value. 238f85e193739c953358c865005855253af4f68a497John McCall bool AutoreleaseResult; 239f85e193739c953358c865005855253af4f68a497John McCall 240d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall const CodeGen::CGBlockInfo *BlockInfo; 241d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::Value *BlockPointer; 242d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall 243cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman llvm::DenseMap<const VarDecl *, FieldDecl *> LambdaCaptureFields; 244cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman FieldDecl *LambdaThisCaptureField; 245cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman 2463d91bbcdab155181556969cad6ec97014405acedDouglas Gregor /// \brief A mapping from NRVO variables to the flags used to indicate 2473d91bbcdab155181556969cad6ec97014405acedDouglas Gregor /// when the NRVO has been applied to this variable. 2483d91bbcdab155181556969cad6ec97014405acedDouglas Gregor llvm::DenseMap<const VarDecl *, llvm::Value *> NRVOFlags; 2499cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 250f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall EHScopeStack EHStack; 2518a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith llvm::SmallVector<char, 256> LifetimeExtendedCleanupStack; 2528a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 2538a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// Header for data within LifetimeExtendedCleanupStack. 2548a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith struct LifetimeExtendedCleanupHeader { 2558a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// The size of the following cleanup object. 2568a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith size_t Size : 29; 2578a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// The kind of cleanup to push: a value from the CleanupKind enumeration. 2588a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith unsigned Kind : 3; 2598a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 2608a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith size_t getSize() const { return Size; } 2618a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith CleanupKind getKind() const { return static_cast<CleanupKind>(Kind); } 2628a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith }; 2630dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 264ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall /// i32s containing the indexes of the cleanup destinations. 265ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall llvm::AllocaInst *NormalCleanupDest; 266ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 267ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall unsigned NextCleanupDestIndex; 268ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 2691a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall /// FirstBlockInfo - The head of a singly-linked-list of block layouts. 2701a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall CGBlockInfo *FirstBlockInfo; 2711a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall 272777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// EHResumeBlock - Unified block containing a call to llvm.eh.resume. 273777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall llvm::BasicBlock *EHResumeBlock; 274777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall 275285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// The exception slot. All landing pads write the current exception pointer 276285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// into this alloca. 277f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::Value *ExceptionSlot; 2780dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 279285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// The selector slot. Under the MandatoryCleanup model, all landing pads 280285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// write the current selector value into this alloca. 28193c332a8ba2c193c435b293966d343dab15f555bJohn McCall llvm::AllocaInst *EHSelectorSlot; 28293c332a8ba2c193c435b293966d343dab15f555bJohn McCall 283f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// Emits a landing pad for the current EH stack. 284f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *EmitLandingPad(); 2850dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 286f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *getInvokeDestImpl(); 28799533834ba8f3658559f334e68a518ebb6388ceaMike Stump 288150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall template <class T> 289804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typename DominatingValue<T>::saved_type saveValueInCond(T value) { 290804b807ea918184d6de63bd745e1ff75a9bfc679John McCall return DominatingValue<T>::save(*this, value); 291150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 292150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 293f1549f66a8216a78112286e3978cea2c29d6334cJohn McCallpublic: 294f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// ObjCEHValueStack - Stack of Objective-C exception values, used for 295f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// rethrows. 296686775deca8b8685eb90801495880e3abdd844c2Chris Lattner SmallVector<llvm::Value*, 8> ObjCEHValueStack; 297bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson 298d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// A class controlling the emission of a finally block. 299d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall class FinallyInfo { 300d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// Where the catchall's edge through the cleanup should go. 301d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall JumpDest RethrowDest; 302d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall 303d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// A function to call to enter the catch. 304d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall llvm::Constant *BeginCatchFn; 305d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall 306d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// An i1 variable indicating whether or not the @finally is 307d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// running for an exception. 308d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall llvm::AllocaInst *ForEHVar; 309d88ea5687968640ada2bc5a10211cbeb68a671ecMike Stump 310d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// An i8* variable into which the exception pointer to rethrow 311d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall /// has been saved. 312d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall llvm::AllocaInst *SavedExnVar; 313d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall 314d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall public: 315d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall void enter(CodeGenFunction &CGF, const Stmt *Finally, 316d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall llvm::Constant *beginCatchFn, llvm::Constant *endCatchFn, 317d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall llvm::Constant *rethrowFn); 318d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall void exit(CodeGenFunction &CGF); 319d768e9d29abe1ac1ccc3ed63f2dce835d9bab342John McCall }; 320f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 321150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// pushFullExprCleanup - Push a cleanup to be run at the end of the 322150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// current full-expression. Safe against the possibility that 323150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// we're currently inside a conditionally-evaluated expression. 3243ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall template <class T, class A0> 3253ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall void pushFullExprCleanup(CleanupKind kind, A0 a0) { 3263ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall // If we're not in a conditional branch, or if none of the 3273ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall // arguments requires saving, then use the unconditional cleanup. 328c4a1a8450a3613ef256a71b9d8305b41f79eef50John McCall if (!isInConditionalBranch()) 329c4a1a8450a3613ef256a71b9d8305b41f79eef50John McCall return EHStack.pushCleanup<T>(kind, a0); 3303ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall 331804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typename DominatingValue<A0>::saved_type a0_saved = saveValueInCond(a0); 3323ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall 3333ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall typedef EHScopeStack::ConditionalCleanup1<T, A0> CleanupType; 3343ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall EHStack.pushCleanup<CleanupType>(kind, a0_saved); 3353ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall initFullExprCleanup(); 3363ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall } 3373ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall 3383ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall /// pushFullExprCleanup - Push a cleanup to be run at the end of the 3393ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall /// current full-expression. Safe against the possibility that 3403ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall /// we're currently inside a conditionally-evaluated expression. 341150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall template <class T, class A0, class A1> 342150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall void pushFullExprCleanup(CleanupKind kind, A0 a0, A1 a1) { 343150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall // If we're not in a conditional branch, or if none of the 344150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall // arguments requires saving, then use the unconditional cleanup. 345c4a1a8450a3613ef256a71b9d8305b41f79eef50John McCall if (!isInConditionalBranch()) 346c4a1a8450a3613ef256a71b9d8305b41f79eef50John McCall return EHStack.pushCleanup<T>(kind, a0, a1); 347150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 348804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typename DominatingValue<A0>::saved_type a0_saved = saveValueInCond(a0); 349804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typename DominatingValue<A1>::saved_type a1_saved = saveValueInCond(a1); 350150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 351150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall typedef EHScopeStack::ConditionalCleanup2<T, A0, A1> CleanupType; 3523ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall EHStack.pushCleanup<CleanupType>(kind, a0_saved, a1_saved); 3533ad32c8d93eb65d1d4943d7df567fc9b4f55d137John McCall initFullExprCleanup(); 354150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 355150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 356d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor /// pushFullExprCleanup - Push a cleanup to be run at the end of the 357d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor /// current full-expression. Safe against the possibility that 358d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor /// we're currently inside a conditionally-evaluated expression. 359d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor template <class T, class A0, class A1, class A2> 360d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor void pushFullExprCleanup(CleanupKind kind, A0 a0, A1 a1, A2 a2) { 361d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor // If we're not in a conditional branch, or if none of the 362d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor // arguments requires saving, then use the unconditional cleanup. 363d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor if (!isInConditionalBranch()) { 364c4a1a8450a3613ef256a71b9d8305b41f79eef50John McCall return EHStack.pushCleanup<T>(kind, a0, a1, a2); 365d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor } 366d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor 367d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor typename DominatingValue<A0>::saved_type a0_saved = saveValueInCond(a0); 368d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor typename DominatingValue<A1>::saved_type a1_saved = saveValueInCond(a1); 369d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor typename DominatingValue<A2>::saved_type a2_saved = saveValueInCond(a2); 370d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor 371d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor typedef EHScopeStack::ConditionalCleanup3<T, A0, A1, A2> CleanupType; 372d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor EHStack.pushCleanup<CleanupType>(kind, a0_saved, a1_saved, a2_saved); 373d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor initFullExprCleanup(); 374d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor } 375d7b23167763f43d3e76b0de26141b1e52613ee3cDouglas Gregor 3769928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall /// pushFullExprCleanup - Push a cleanup to be run at the end of the 3779928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall /// current full-expression. Safe against the possibility that 3789928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall /// we're currently inside a conditionally-evaluated expression. 3799928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall template <class T, class A0, class A1, class A2, class A3> 3809928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall void pushFullExprCleanup(CleanupKind kind, A0 a0, A1 a1, A2 a2, A3 a3) { 3819928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall // If we're not in a conditional branch, or if none of the 3829928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall // arguments requires saving, then use the unconditional cleanup. 3839928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall if (!isInConditionalBranch()) { 3849928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall return EHStack.pushCleanup<T>(kind, a0, a1, a2, a3); 3859928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall } 3869928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall 3879928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall typename DominatingValue<A0>::saved_type a0_saved = saveValueInCond(a0); 3889928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall typename DominatingValue<A1>::saved_type a1_saved = saveValueInCond(a1); 3899928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall typename DominatingValue<A2>::saved_type a2_saved = saveValueInCond(a2); 3909928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall typename DominatingValue<A3>::saved_type a3_saved = saveValueInCond(a3); 3919928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall 3929928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall typedef EHScopeStack::ConditionalCleanup4<T, A0, A1, A2, A3> CleanupType; 3939928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall EHStack.pushCleanup<CleanupType>(kind, a0_saved, a1_saved, 3949928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall a2_saved, a3_saved); 3959928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall initFullExprCleanup(); 3969928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall } 3979928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall 3988a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// \brief Queue a cleanup to be pushed after finishing the current 3998a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// full-expression. 4008a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith template <class T, class A0, class A1, class A2, class A3> 4018a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith void pushCleanupAfterFullExpr(CleanupKind Kind, A0 a0, A1 a1, A2 a2, A3 a3) { 4028a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith assert(!isInConditionalBranch() && "can't defer conditional cleanup"); 4038a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 4048a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupHeader Header = { sizeof(T), Kind }; 4058a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 4068a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith size_t OldSize = LifetimeExtendedCleanupStack.size(); 4078a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupStack.resize( 4088a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupStack.size() + sizeof(Header) + Header.Size); 4098a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 4108a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith char *Buffer = &LifetimeExtendedCleanupStack[OldSize]; 4118a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith new (Buffer) LifetimeExtendedCleanupHeader(Header); 4128a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith new (Buffer + sizeof(Header)) T(a0, a1, a2, a3); 4138a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith } 4148a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 4156f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// Set up the last cleaup that was pushed as a conditional 4166f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// full-expression cleanup. 4176f103ba42cb69d50005a977c5ea583984ab63fc4John McCall void initFullExprCleanup(); 4186f103ba42cb69d50005a977c5ea583984ab63fc4John McCall 419f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// PushDestructorCleanup - Push a cleanup to call the 420f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// complete-object destructor of an object of the given type at the 421f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// given address. Does nothing if T is not a C++ class type with a 422f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// non-trivial destructor. 423f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall void PushDestructorCleanup(QualType T, llvm::Value *Addr); 424f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 42581407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall /// PushDestructorCleanup - Push a cleanup to call the 42681407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall /// complete-object variant of the given destructor on the object at 42781407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall /// the given address. 42881407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall void PushDestructorCleanup(const CXXDestructorDecl *Dtor, 42981407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall llvm::Value *Addr); 43081407d404a3fc8d24d0e2a052d85cae183033e2bJohn McCall 431f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// PopCleanupBlock - Will pop the cleanup entry on the stack and 432f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// process all branch fixups. 4331c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl void PopCleanupBlock(bool FallThroughIsBranchThrough = false); 434f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 4357d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall /// DeactivateCleanupBlock - Deactivates the given cleanup block. 4367d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall /// The block cannot be reactivated. Pops it if it's the top of the 4377d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall /// stack. 4386f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// 4396f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// \param DominatingIP - An instruction which is known to 4406f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// dominate the current IP (if set) and which lies along 4416f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// all paths of execution between the current IP and the 4426f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// the point at which the cleanup comes into scope. 4436f103ba42cb69d50005a977c5ea583984ab63fc4John McCall void DeactivateCleanupBlock(EHScopeStack::stable_iterator Cleanup, 4446f103ba42cb69d50005a977c5ea583984ab63fc4John McCall llvm::Instruction *DominatingIP); 4457d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall 4467d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall /// ActivateCleanupBlock - Activates an initially-inactive cleanup. 4477d8647f194ae4f2499e5bcd40dcfea34cd21ebc6John McCall /// Cannot be used to resurrect a deactivated cleanup. 4486f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// 4496f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// \param DominatingIP - An instruction which is known to 4506f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// dominate the current IP (if set) and which lies along 4516f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// all paths of execution between the current IP and the 4526f103ba42cb69d50005a977c5ea583984ab63fc4John McCall /// the point at which the cleanup comes into scope. 4536f103ba42cb69d50005a977c5ea583984ab63fc4John McCall void ActivateCleanupBlock(EHScopeStack::stable_iterator Cleanup, 4546f103ba42cb69d50005a977c5ea583984ab63fc4John McCall llvm::Instruction *DominatingIP); 455cd2d2b7814e0104ed41a8da159a06a8ca77b70d8John McCall 456f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// \brief Enters a new scope for capturing cleanups, all of which 457f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// will be executed once the scope is exited. 458f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall class RunCleanupsScope { 459f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall EHScopeStack::stable_iterator CleanupStackDepth; 4608a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith size_t LifetimeExtendedCleanupStackSize; 46101234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor bool OldDidCallStackSave; 462ed383135bcffdb8849418896b742fbca7fa2b787John McCall protected: 4635656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor bool PerformCleanup; 464ed383135bcffdb8849418896b742fbca7fa2b787John McCall private: 46501234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor 466f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko RunCleanupsScope(const RunCleanupsScope &) LLVM_DELETED_FUNCTION; 467f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko void operator=(const RunCleanupsScope &) LLVM_DELETED_FUNCTION; 46801234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor 469c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher protected: 470c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher CodeGenFunction& CGF; 4714f45bc099f2665bc6e4bcbb169aa452390dbf3feWill Dietz 47201234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor public: 47301234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor /// \brief Enter a new cleanup scope. 4749cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer explicit RunCleanupsScope(CodeGenFunction &CGF) 475c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher : PerformCleanup(true), CGF(CGF) 4765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor { 477f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall CleanupStackDepth = CGF.EHStack.stable_begin(); 4788a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupStackSize = 4798a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith CGF.LifetimeExtendedCleanupStack.size(); 48001234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor OldDidCallStackSave = CGF.DidCallStackSave; 4814ada2ca7d82dab68d3646f3eb6dcdfee072e8ea4Argyrios Kyrtzidis CGF.DidCallStackSave = false; 48201234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor } 48301234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor 48401234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor /// \brief Exit this cleanup scope, emitting any accumulated 48501234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor /// cleanups. 486f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall ~RunCleanupsScope() { 4875656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor if (PerformCleanup) { 4885656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor CGF.DidCallStackSave = OldDidCallStackSave; 4898a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith CGF.PopCleanupBlocks(CleanupStackDepth, 4908a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupStackSize); 4915656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor } 4925656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor } 4935656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 4945656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Determine whether this scope requires any cleanups. 4955656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor bool requiresCleanups() const { 496f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall return CGF.EHStack.stable_begin() != CleanupStackDepth; 4975656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor } 4985656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 4995656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Force the emission of cleanups now, instead of waiting 5005656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// until this object is destroyed. 5015656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor void ForceCleanup() { 5025656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor assert(PerformCleanup && "Already forced cleanup"); 50301234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor CGF.DidCallStackSave = OldDidCallStackSave; 5048a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith CGF.PopCleanupBlocks(CleanupStackDepth, 5058a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith LifetimeExtendedCleanupStackSize); 5065656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor PerformCleanup = false; 50701234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor } 50801234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor }; 50901234bbc1cb94946df8046ad95e17537082b4f71Douglas Gregor 510c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher class LexicalScope: protected RunCleanupsScope { 511c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher SourceRange Range; 512495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem SmallVector<const LabelDecl*, 4> Labels; 513495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem LexicalScope *ParentScope; 514c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher 515f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko LexicalScope(const LexicalScope &) LLVM_DELETED_FUNCTION; 516f56faa01936b9cf909623d7f06e3c2569ca4a78eDmitri Gribenko void operator=(const LexicalScope &) LLVM_DELETED_FUNCTION; 517c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher 518c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher public: 519c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher /// \brief Enter a new cleanup scope. 520c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher explicit LexicalScope(CodeGenFunction &CGF, SourceRange Range) 521495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem : RunCleanupsScope(CGF), Range(Range), ParentScope(CGF.CurLexicalScope) { 522495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem CGF.CurLexicalScope = this; 523c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher if (CGDebugInfo *DI = CGF.getDebugInfo()) 524c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher DI->EmitLexicalBlockStart(CGF.Builder, Range.getBegin()); 525c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher } 526c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher 527495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem void addLabel(const LabelDecl *label) { 528495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem assert(PerformCleanup && "adding label to dead scope?"); 529495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem Labels.push_back(label); 530495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem } 531495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 532c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher /// \brief Exit this cleanup scope, emitting any accumulated 533c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher /// cleanups. 534c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher ~LexicalScope() { 535efb72adbae0c253fc2fd9127fb3e1c36cb1b8d93Adrian Prantl if (CGDebugInfo *DI = CGF.getDebugInfo()) 536efb72adbae0c253fc2fd9127fb3e1c36cb1b8d93Adrian Prantl DI->EmitLexicalBlockEnd(CGF.Builder, Range.getEnd()); 537efb72adbae0c253fc2fd9127fb3e1c36cb1b8d93Adrian Prantl 538495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem // If we should perform a cleanup, force them now. Note that 539495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem // this ends the cleanup scope before rescoping any labels. 540495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem if (PerformCleanup) ForceCleanup(); 541c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher } 542c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher 543c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher /// \brief Force the emission of cleanups now, instead of waiting 544c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher /// until this object is destroyed. 545c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher void ForceCleanup() { 546efb72adbae0c253fc2fd9127fb3e1c36cb1b8d93Adrian Prantl CGF.CurLexicalScope = ParentScope; 547c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher RunCleanupsScope::ForceCleanup(); 548ed383135bcffdb8849418896b742fbca7fa2b787John McCall 549495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem if (!Labels.empty()) 550495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem rescopeLabels(); 551c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher } 552495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 553495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem void rescopeLabels(); 554c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher }; 555c3287793626a778178a4dbadcc7b64e392c6e26fEric Christopher 55644ec82b4a1597802f5bf17721481b8c265bc8dc5Anders Carlsson 5578a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// \brief Takes the old cleanup stack size and emits the cleanup blocks 5588a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// that have been added. 5591c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl void PopCleanupBlocks(EHScopeStack::stable_iterator OldCleanupStackSize); 56044ec82b4a1597802f5bf17721481b8c265bc8dc5Anders Carlsson 5618a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// \brief Takes the old cleanup stack size and emits the cleanup blocks 5628a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// that have been added, then adds all lifetime-extended cleanups from 5638a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith /// the given position to the stack. 5648a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith void PopCleanupBlocks(EHScopeStack::stable_iterator OldCleanupStackSize, 5658a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith size_t OldLifetimeExtendedStackSize); 5668a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith 567ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall void ResolveBranchFixups(llvm::BasicBlock *Target); 568ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 569f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// The given basic block lies in the current EH scope, but may be a 570f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// target of a potentially scope-crossing jump; get a stable handle 571f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// to which we can perform this jump later. 572ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall JumpDest getJumpDestInCurrentScope(llvm::BasicBlock *Target) { 573413e67778d593215d2f2161a4e712c8568f1ddd0John McCall return JumpDest(Target, 574413e67778d593215d2f2161a4e712c8568f1ddd0John McCall EHStack.getInnermostNormalCleanup(), 575413e67778d593215d2f2161a4e712c8568f1ddd0John McCall NextCleanupDestIndex++); 576f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall } 577c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson 578f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// The given basic block lies in the current EH scope, but may be a 579f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// target of a potentially scope-crossing jump; get a stable handle 580f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// to which we can perform this jump later. 581686775deca8b8685eb90801495880e3abdd844c2Chris Lattner JumpDest getJumpDestInCurrentScope(StringRef Name = StringRef()) { 582ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall return getJumpDestInCurrentScope(createBasicBlock(Name)); 583f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall } 584f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 585f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// EmitBranchThroughCleanup - Emit a branch from the current insert 586f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// block through the normal cleanup handling code (if any) and then 587f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// on to \arg Dest. 588f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall void EmitBranchThroughCleanup(JumpDest Dest); 589b11f9198111796ada02b57f62cdea92134fde9f7Chris Lattner 590b11f9198111796ada02b57f62cdea92134fde9f7Chris Lattner /// isObviouslyBranchWithoutCleanups - Return true if a branch to the 591b11f9198111796ada02b57f62cdea92134fde9f7Chris Lattner /// specified destination obviously has no cleanups to run. 'false' is always 592b11f9198111796ada02b57f62cdea92134fde9f7Chris Lattner /// a conservatively correct answer for this method. 593b11f9198111796ada02b57f62cdea92134fde9f7Chris Lattner bool isObviouslyBranchWithoutCleanups(JumpDest Dest) const; 594f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 595777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// popCatchScope - Pops the catch scope at the top of the EHScope 596777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// stack, emitting any required code (other than the catch handlers 597777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// themselves). 598777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall void popCatchScope(); 599ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 600c686004145b1f4dbeb38173a0886ba7040ae0089David Chisnall llvm::BasicBlock *getEHResumeBlock(bool isCleanup); 601777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall llvm::BasicBlock *getEHDispatchBlock(EHScopeStack::stable_iterator scope); 6020dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 603150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// An object to manage conditionally-evaluated expressions. 604150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall class ConditionalEvaluation { 605150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall llvm::BasicBlock *StartBB; 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 607150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall public: 608150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall ConditionalEvaluation(CodeGenFunction &CGF) 609150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall : StartBB(CGF.Builder.GetInsertBlock()) {} 6109cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 611150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall void begin(CodeGenFunction &CGF) { 612150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall assert(CGF.OutermostConditional != this); 613150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall if (!CGF.OutermostConditional) 614150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CGF.OutermostConditional = this; 615150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 616150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 617150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall void end(CodeGenFunction &CGF) { 6186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines assert(CGF.OutermostConditional != nullptr); 619150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall if (CGF.OutermostConditional == this) 6206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines CGF.OutermostConditional = nullptr; 621150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 622150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 623150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// Returns a block which will be executed prior to each 624150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// evaluation of the conditional code. 625150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall llvm::BasicBlock *getStartingBlock() const { 626150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall return StartBB; 627150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 628150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall }; 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6303019c444c672938c57f5573840071ecd73425ee7John McCall /// isInConditionalBranch - Return true if we're currently emitting 6313019c444c672938c57f5573840071ecd73425ee7John McCall /// one branch or the other of a conditional expression. 6326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool isInConditionalBranch() const { return OutermostConditional != nullptr; } 633150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 6346f103ba42cb69d50005a977c5ea583984ab63fc4John McCall void setBeforeOutermostConditional(llvm::Value *value, llvm::Value *addr) { 6356f103ba42cb69d50005a977c5ea583984ab63fc4John McCall assert(isInConditionalBranch()); 6366f103ba42cb69d50005a977c5ea583984ab63fc4John McCall llvm::BasicBlock *block = OutermostConditional->getStartingBlock(); 6376f103ba42cb69d50005a977c5ea583984ab63fc4John McCall new llvm::StoreInst(value, addr, &block->back()); 6386f103ba42cb69d50005a977c5ea583984ab63fc4John McCall } 6396f103ba42cb69d50005a977c5ea583984ab63fc4John McCall 640150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// An RAII object to record that we're evaluating a statement 641150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// expression. 642150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall class StmtExprEvaluation { 643150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CodeGenFunction &CGF; 644150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 645150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// We have to save the outermost conditional: cleanups in a 646150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// statement expression aren't conditional just because the 647150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// StmtExpr is. 648150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall ConditionalEvaluation *SavedOutermostConditional; 649150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 650150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall public: 651150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall StmtExprEvaluation(CodeGenFunction &CGF) 652150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall : CGF(CGF), SavedOutermostConditional(CGF.OutermostConditional) { 6536bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines CGF.OutermostConditional = nullptr; 654150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 655150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 656150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall ~StmtExprEvaluation() { 657150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CGF.OutermostConditional = SavedOutermostConditional; 658150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CGF.EnsureInsertPoint(); 659150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 660150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall }; 661e996ffd240f20a1048179d7727a6ee3227261921John McCall 66256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// An object which temporarily prevents a value from being 66356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// destroyed by aggressive peephole optimizations that assume that 66456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// all uses of a value have been realized in the IR. 66556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall class PeepholeProtection { 66656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall llvm::Instruction *Inst; 66756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall friend class CodeGenFunction; 66856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 66956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall public: 6706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines PeepholeProtection() : Inst(nullptr) {} 6714b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 67256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 6734b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// A non-RAII class containing all the information about a bound 6744b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// opaque value. OpaqueValueMapping, below, is a RAII wrapper for 6754b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// this which makes individual mappings very simple; using this 6764b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// class directly is useful when you have a variable number of 6774b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// opaque values or don't want the RAII functionality for some 6784b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// reason. 6794b9c2d235fb9449e249d74f48ecfec601650de93John McCall class OpaqueValueMappingData { 680e996ffd240f20a1048179d7727a6ee3227261921John McCall const OpaqueValueExpr *OpaqueValue; 68156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall bool BoundLValue; 68256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall CodeGenFunction::PeepholeProtection Protection; 683e996ffd240f20a1048179d7727a6ee3227261921John McCall 6844b9c2d235fb9449e249d74f48ecfec601650de93John McCall OpaqueValueMappingData(const OpaqueValueExpr *ov, 6854b9c2d235fb9449e249d74f48ecfec601650de93John McCall bool boundLValue) 6864b9c2d235fb9449e249d74f48ecfec601650de93John McCall : OpaqueValue(ov), BoundLValue(boundLValue) {} 687e996ffd240f20a1048179d7727a6ee3227261921John McCall public: 6886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines OpaqueValueMappingData() : OpaqueValue(nullptr) {} 6894b9c2d235fb9449e249d74f48ecfec601650de93John McCall 69056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool shouldBindAsLValue(const Expr *expr) { 691a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall // gl-values should be bound as l-values for obvious reasons. 692a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall // Records should be bound as l-values because IR generation 693a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall // always keeps them in memory. Expressions of function type 694a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall // act exactly like l-values but are formally required to be 695a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall // r-values in C. 696a5493f885095bd63d525a7035ad1c224de3ae5f2John McCall return expr->isGLValue() || 697651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines expr->getType()->isFunctionType() || 698651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines hasAggregateEvaluationKind(expr->getType()); 69956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 70056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 7014b9c2d235fb9449e249d74f48ecfec601650de93John McCall static OpaqueValueMappingData bind(CodeGenFunction &CGF, 7024b9c2d235fb9449e249d74f48ecfec601650de93John McCall const OpaqueValueExpr *ov, 7034b9c2d235fb9449e249d74f48ecfec601650de93John McCall const Expr *e) { 7044b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (shouldBindAsLValue(ov)) 7054b9c2d235fb9449e249d74f48ecfec601650de93John McCall return bind(CGF, ov, CGF.EmitLValue(e)); 7064b9c2d235fb9449e249d74f48ecfec601650de93John McCall return bind(CGF, ov, CGF.EmitAnyExpr(e)); 7074b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7084b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7094b9c2d235fb9449e249d74f48ecfec601650de93John McCall static OpaqueValueMappingData bind(CodeGenFunction &CGF, 7104b9c2d235fb9449e249d74f48ecfec601650de93John McCall const OpaqueValueExpr *ov, 7114b9c2d235fb9449e249d74f48ecfec601650de93John McCall const LValue &lv) { 7124b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(shouldBindAsLValue(ov)); 7134b9c2d235fb9449e249d74f48ecfec601650de93John McCall CGF.OpaqueLValues.insert(std::make_pair(ov, lv)); 7144b9c2d235fb9449e249d74f48ecfec601650de93John McCall return OpaqueValueMappingData(ov, true); 7154b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7164b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7174b9c2d235fb9449e249d74f48ecfec601650de93John McCall static OpaqueValueMappingData bind(CodeGenFunction &CGF, 7184b9c2d235fb9449e249d74f48ecfec601650de93John McCall const OpaqueValueExpr *ov, 7194b9c2d235fb9449e249d74f48ecfec601650de93John McCall const RValue &rv) { 7204b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(!shouldBindAsLValue(ov)); 7214b9c2d235fb9449e249d74f48ecfec601650de93John McCall CGF.OpaqueRValues.insert(std::make_pair(ov, rv)); 7224b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7234b9c2d235fb9449e249d74f48ecfec601650de93John McCall OpaqueValueMappingData data(ov, false); 7244b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7254b9c2d235fb9449e249d74f48ecfec601650de93John McCall // Work around an extremely aggressive peephole optimization in 7264b9c2d235fb9449e249d74f48ecfec601650de93John McCall // EmitScalarConversion which assumes that all other uses of a 7274b9c2d235fb9449e249d74f48ecfec601650de93John McCall // value are extant. 7284b9c2d235fb9449e249d74f48ecfec601650de93John McCall data.Protection = CGF.protectFromPeepholes(rv); 7294b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7304b9c2d235fb9449e249d74f48ecfec601650de93John McCall return data; 7314b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7324b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool isValid() const { return OpaqueValue != nullptr; } 7346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void clear() { OpaqueValue = nullptr; } 7354b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7364b9c2d235fb9449e249d74f48ecfec601650de93John McCall void unbind(CodeGenFunction &CGF) { 7374b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(OpaqueValue && "no data to unbind!"); 7384b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7394b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (BoundLValue) { 7404b9c2d235fb9449e249d74f48ecfec601650de93John McCall CGF.OpaqueLValues.erase(OpaqueValue); 7414b9c2d235fb9449e249d74f48ecfec601650de93John McCall } else { 7424b9c2d235fb9449e249d74f48ecfec601650de93John McCall CGF.OpaqueRValues.erase(OpaqueValue); 7434b9c2d235fb9449e249d74f48ecfec601650de93John McCall CGF.unprotectFromPeepholes(Protection); 7444b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7454b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7464b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 7474b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7484b9c2d235fb9449e249d74f48ecfec601650de93John McCall /// An RAII object to set (and then clear) a mapping for an OpaqueValueExpr. 7494b9c2d235fb9449e249d74f48ecfec601650de93John McCall class OpaqueValueMapping { 7504b9c2d235fb9449e249d74f48ecfec601650de93John McCall CodeGenFunction &CGF; 7514b9c2d235fb9449e249d74f48ecfec601650de93John McCall OpaqueValueMappingData Data; 7524b9c2d235fb9449e249d74f48ecfec601650de93John McCall 7534b9c2d235fb9449e249d74f48ecfec601650de93John McCall public: 7544b9c2d235fb9449e249d74f48ecfec601650de93John McCall static bool shouldBindAsLValue(const Expr *expr) { 7554b9c2d235fb9449e249d74f48ecfec601650de93John McCall return OpaqueValueMappingData::shouldBindAsLValue(expr); 7564b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 7574b9c2d235fb9449e249d74f48ecfec601650de93John McCall 75856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// Build the opaque value mapping for the given conditional 75956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// operator if it's the GNU ?: extension. This is a common 76056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// enough pattern that the convenience operator is really 76156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// helpful. 76256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// 76356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValueMapping(CodeGenFunction &CGF, 76456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall const AbstractConditionalOperator *op) : CGF(CGF) { 7654b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (isa<ConditionalOperator>(op)) 7664b9c2d235fb9449e249d74f48ecfec601650de93John McCall // Leave Data empty. 76756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return; 76856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 76956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall const BinaryConditionalOperator *e = cast<BinaryConditionalOperator>(op); 7704b9c2d235fb9449e249d74f48ecfec601650de93John McCall Data = OpaqueValueMappingData::bind(CGF, e->getOpaqueValue(), 7714b9c2d235fb9449e249d74f48ecfec601650de93John McCall e->getCommon()); 77256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 77356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 774e996ffd240f20a1048179d7727a6ee3227261921John McCall OpaqueValueMapping(CodeGenFunction &CGF, 775e996ffd240f20a1048179d7727a6ee3227261921John McCall const OpaqueValueExpr *opaqueValue, 77656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall LValue lvalue) 7774b9c2d235fb9449e249d74f48ecfec601650de93John McCall : CGF(CGF), Data(OpaqueValueMappingData::bind(CGF, opaqueValue, lvalue)) { 77856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 77956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 78056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValueMapping(CodeGenFunction &CGF, 78156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall const OpaqueValueExpr *opaqueValue, 78256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall RValue rvalue) 7834b9c2d235fb9449e249d74f48ecfec601650de93John McCall : CGF(CGF), Data(OpaqueValueMappingData::bind(CGF, opaqueValue, rvalue)) { 784e996ffd240f20a1048179d7727a6ee3227261921John McCall } 785e996ffd240f20a1048179d7727a6ee3227261921John McCall 786e996ffd240f20a1048179d7727a6ee3227261921John McCall void pop() { 7874b9c2d235fb9449e249d74f48ecfec601650de93John McCall Data.unbind(CGF); 7884b9c2d235fb9449e249d74f48ecfec601650de93John McCall Data.clear(); 789e996ffd240f20a1048179d7727a6ee3227261921John McCall } 790e996ffd240f20a1048179d7727a6ee3227261921John McCall 791e996ffd240f20a1048179d7727a6ee3227261921John McCall ~OpaqueValueMapping() { 7924b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (Data.isValid()) Data.unbind(CGF); 793e996ffd240f20a1048179d7727a6ee3227261921John McCall } 794e996ffd240f20a1048179d7727a6ee3227261921John McCall }; 795e220455a059d926953befe72857b9525273717efFariborz Jahanian 796e220455a059d926953befe72857b9525273717efFariborz Jahanian /// getByrefValueFieldNumber - Given a declaration, returns the LLVM field 797e220455a059d926953befe72857b9525273717efFariborz Jahanian /// number that holds the value. 798e220455a059d926953befe72857b9525273717efFariborz Jahanian unsigned getByRefValueLLVMField(const ValueDecl *VD) const; 79952a80e19ad688091723a52ad53337767bb0ac684Fariborz Jahanian 80052a80e19ad688091723a52ad53337767bb0ac684Fariborz Jahanian /// BuildBlockByrefAddress - Computes address location of the 80152a80e19ad688091723a52ad53337767bb0ac684Fariborz Jahanian /// variable which is declared as __block. 80252a80e19ad688091723a52ad53337767bb0ac684Fariborz Jahanian llvm::Value *BuildBlockByrefAddress(llvm::Value *BaseAddr, 80352a80e19ad688091723a52ad53337767bb0ac684Fariborz Jahanian const VarDecl *V); 8047f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 805d9becd1846e2c72bf6ad283faa1b048f33dd3afeChris Lattner CGDebugInfo *DebugInfo; 806aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel bool DisableDebugInfo; 80709429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 80893c332a8ba2c193c435b293966d343dab15f555bJohn McCall /// DidCallStackSave - Whether llvm.stacksave has been called. Used to avoid 80993c332a8ba2c193c435b293966d343dab15f555bJohn McCall /// calling llvm.stacksave for multiple VLAs in the same scope. 81093c332a8ba2c193c435b293966d343dab15f555bJohn McCall bool DidCallStackSave; 81193c332a8ba2c193c435b293966d343dab15f555bJohn McCall 812f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// IndirectBranch - The first time an indirect goto is seen we create a block 813f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// with an indirect branch. Every time we see the address of a label taken, 814f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// we add the label to the indirect goto. Every subsequent indirect goto is 815f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// codegen'd as a jump to the IndirectBranch's basic block. 816d9becd1846e2c72bf6ad283faa1b048f33dd3afeChris Lattner llvm::IndirectBrInst *IndirectBranch; 8170ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 8180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 8190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// decls. 8206b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall typedef llvm::DenseMap<const Decl*, llvm::Value*> DeclMapTy; 8216b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall DeclMapTy LocalDeclMap; 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 824ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner llvm::DenseMap<const LabelDecl*, JumpDest> LabelMap; 8250dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 8260dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // BreakContinueStack - This keeps track of where break and continue 827e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson // statements should jump to. 828da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 829f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall BreakContinue(JumpDest Break, JumpDest Continue) 830f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall : BreakBlock(Break), ContinueBlock(Continue) {} 8310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 832f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest BreakBlock; 833f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest ContinueBlock; 8340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump }; 835686775deca8b8685eb90801495880e3abdd844c2Chris Lattner SmallVector<BreakContinue, 8> BreakContinueStack; 83618ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 837651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CodeGenPGO PGO; 838651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 839651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinespublic: 840651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// Get a counter for instrumentation of the region associated with the given 841651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// statement. 842651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines RegionCounter getPGORegionCounter(const Stmt *S) { 843651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return RegionCounter(PGO, S); 844651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 845651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesprivate: 846651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 847170fd49294b85ab10f820721d99ff9d109c7230dZhongxing Xu /// SwitchInsn - This is nearest current switch instruction. It is null if 8480dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// current context is not in a switch. 84951b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 850651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// The branch weights of SwitchInsn when doing instrumentation based PGO. 851651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SmallVector<uint64_t, 16> *SwitchWeights; 85251b09f2c528c8460b5465c676173324e44176d62Devang Patel 8530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CaseRangeBlock - This block holds if condition check for last case 85480fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 855c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 856c049e4f406a7f7179eba98659044a32508e53289Devang Patel 85756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// OpaqueLValues - Keeps track of the current set of opaque value 858e996ffd240f20a1048179d7727a6ee3227261921John McCall /// expressions. 85956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall llvm::DenseMap<const OpaqueValueExpr *, LValue> OpaqueLValues; 86056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall llvm::DenseMap<const OpaqueValueExpr *, RValue> OpaqueRValues; 861e996ffd240f20a1048179d7727a6ee3227261921John McCall 8620dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // VLASizeMap - This keeps track of the associated size for each VLA type. 863bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // We track this by the size expression rather than the type itself because 864bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // in certain situations, like a const qualifier applied to an VLA typedef, 865bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // multiple VLA types can share the same size expression. 8660dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // FIXME: Maybe this could be a stack of maps that is pushed/popped as we 8670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // enter/leave scopes. 868bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman llvm::DenseMap<const Expr*, llvm::Value*> VLASizeMap; 8690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 870f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// A block containing a single 'unreachable' instruction. Created 871f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// lazily by getUnreachableBlock(). 872f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *UnreachableBlock; 8730dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 874d072e59eb6b5e32f93be25f08f212b0ec21d6c5dAdrian Prantl /// Counts of the number return expressions in the function. 875d072e59eb6b5e32f93be25f08f212b0ec21d6c5dAdrian Prantl unsigned NumReturnExprs; 876fa6b079b1231366696f6a497c6a084c73a35c85dAdrian Prantl 877fa6b079b1231366696f6a497c6a084c73a35c85dAdrian Prantl /// Count the number of simple (constant) return expressions in the function. 878fa6b079b1231366696f6a497c6a084c73a35c85dAdrian Prantl unsigned NumSimpleReturnExprs; 879fa6b079b1231366696f6a497c6a084c73a35c85dAdrian Prantl 880d072e59eb6b5e32f93be25f08f212b0ec21d6c5dAdrian Prantl /// The last regular (non-return) debug location (breakpoint) in the function. 881d072e59eb6b5e32f93be25f08f212b0ec21d6c5dAdrian Prantl SourceLocation LastStopPoint; 882fa6b079b1231366696f6a497c6a084c73a35c85dAdrian Prantl 883c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smithpublic: 884c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// A scope within which we are constructing the fields of an object which 885c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// might use a CXXDefaultInitExpr. This stashes away a 'this' value to use 886c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// if we need to evaluate a CXXDefaultInitExpr within the evaluation. 887c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith class FieldConstructionScope { 888c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith public: 889c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith FieldConstructionScope(CodeGenFunction &CGF, llvm::Value *This) 890c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith : CGF(CGF), OldCXXDefaultInitExprThis(CGF.CXXDefaultInitExprThis) { 891c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CGF.CXXDefaultInitExprThis = This; 892c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith } 893c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith ~FieldConstructionScope() { 894c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CGF.CXXDefaultInitExprThis = OldCXXDefaultInitExprThis; 895c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith } 896c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 897c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith private: 898c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CodeGenFunction &CGF; 899c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith llvm::Value *OldCXXDefaultInitExprThis; 900c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith }; 901c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 902c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// The scope of a CXXDefaultInitExpr. Within this scope, the value of 'this' 903c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// is overridden to be the object under construction. 904c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith class CXXDefaultInitExprScope { 905c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith public: 906c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CXXDefaultInitExprScope(CodeGenFunction &CGF) 907c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith : CGF(CGF), OldCXXThisValue(CGF.CXXThisValue) { 908c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CGF.CXXThisValue = CGF.CXXDefaultInitExprThis; 909c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith } 910c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith ~CXXDefaultInitExprScope() { 911c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CGF.CXXThisValue = OldCXXThisValue; 912c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith } 913c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 914c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith public: 915c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith CodeGenFunction &CGF; 916c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith llvm::Value *OldCXXThisValue; 917c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith }; 918c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 919c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smithprivate: 920f6c56e2323c3f973253805a2f35629f3253ebed4Anders Carlsson /// CXXThisDecl - When generating code for a C++ member function, 921f6c56e2323c3f973253805a2f35629f3253ebed4Anders Carlsson /// this will hold the implicit 'this' declaration. 922cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman ImplicitParamDecl *CXXABIThisDecl; 923cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman llvm::Value *CXXABIThisValue; 9242504941793b549323f9d29c62507cf21d865fadeJohn McCall llvm::Value *CXXThisValue; 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 926c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// The value of 'this' to use when evaluating CXXDefaultInitExprs within 927c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith /// this expression. 928c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith llvm::Value *CXXDefaultInitExprThis; 929c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 93059660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov /// CXXStructorImplicitParamDecl - When generating code for a constructor or 93159660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov /// destructor, this will hold the implicit argument (e.g. VTT). 93259660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov ImplicitParamDecl *CXXStructorImplicitParamDecl; 93359660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov llvm::Value *CXXStructorImplicitParamValue; 9349cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 935150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// OutermostConditional - Points to the outermost active 936150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// conditional control. This is used so that we know if a 937150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// temporary should be destroyed conditionally. 938150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall ConditionalEvaluation *OutermostConditional; 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 940495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem /// The current lexical scope. 941495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem LexicalScope *CurLexicalScope; 9427dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson 9431c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl /// The current source location that should be used for exception 9441c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl /// handling code. 9451c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl SourceLocation CurEHLocation; 9461c3db769249a633108dc320da87c48a432e2bcc1Adrian Prantl 9477dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// ByrefValueInfoMap - For each __block variable, contains a pair of the LLVM 9487dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// type as well as the field number that contains the actual data. 9492acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::DenseMap<const ValueDecl *, std::pair<llvm::Type *, 9507dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson unsigned> > ByRefValueInfo; 9519cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 952f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *TerminateLandingPad; 953182f383db1782af752ecaf607fdff72a8542088bMike Stump llvm::BasicBlock *TerminateHandler; 95483252dcfe61aaebcb6bc117e71dc12968729513fChris Lattner llvm::BasicBlock *TrapBB; 955940670512d7c3d93389bb38a426abcb7ef44271eEli Friedman 9560df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// Add a kernel metadata node to the named metadata node 'opencl.kernels'. 9570df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// In the kernel metadata node, reference the kernel function and metadata 9580df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// nodes for its optional attribute qualifiers (OpenCL 1.1 6.7.2): 95937453b9580e293eef3bd60bd36047a93ac4515b1Joey Gouly /// - A node for the vec_type_hint(<type>) qualifier contains string 96037453b9580e293eef3bd60bd36047a93ac4515b1Joey Gouly /// "vec_type_hint", an undefined value of the <type> data type, 96137453b9580e293eef3bd60bd36047a93ac4515b1Joey Gouly /// and a Boolean that is true if the <type> is integer and signed. 9620df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// - A node for the work_group_size_hint(X,Y,Z) qualifier contains string 9630df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// "work_group_size_hint", and three 32-bit integers X, Y and Z. 9640df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// - A node for the reqd_work_group_size(X,Y,Z) qualifier contains string 9650df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner /// "reqd_work_group_size", and three 32-bit integers X, Y and Z. 9660df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner void EmitOpenCLKernelMetadata(const FunctionDecl *FD, 9670df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner llvm::Function *Fn); 9680df579ec000ffe52e0cddf1e7ee5e50a55256835Tanya Lattner 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9704904bf4e84cfb48080270ebaa9005327f18ab0e5Fariborz Jahanian CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext=false); 9711a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall ~CodeGenFunction(); 9720dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9731e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall CodeGenTypes &getTypes() const { return CGM.getTypes(); } 974f2aac84709c418189e476ad591848dad50291885John McCall ASTContext &getContext() const { return CGM.getContext(); } 975aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel CGDebugInfo *getDebugInfo() { 976aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel if (DisableDebugInfo) 9776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 978aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel return DebugInfo; 979aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel } 980aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel void disableDebugInfo() { DisableDebugInfo = true; } 981aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel void enableDebugInfo() { DisableDebugInfo = false; } 982aa11289f754d220c9c155b68a4f84cdcfcefef6aDevang Patel 983f85e193739c953358c865005855253af4f68a497John McCall bool shouldUseFusedARCCalls() { 984f85e193739c953358c865005855253af4f68a497John McCall return CGM.getCodeGenOpts().OptimizationLevel == 0; 985f85e193739c953358c865005855253af4f68a497John McCall } 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9874e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie const LangOptions &getLangOpts() const { return CGM.getLangOpts(); } 988d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall 989285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// Returns a pointer to the function's exception object and selector slot, 990285cfd8953d4ca4da613a47a0d691f7234068f8cBill Wendling /// which is assigned in every landing pad. 991f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::Value *getExceptionSlot(); 99293c332a8ba2c193c435b293966d343dab15f555bJohn McCall llvm::Value *getEHSelectorSlot(); 993f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 994ae270598d5c7a9a283d4b3ddce53b151c6e2b182Bill Wendling /// Returns the contents of the function's exception object and selector 995ae270598d5c7a9a283d4b3ddce53b151c6e2b182Bill Wendling /// slots. 996ae270598d5c7a9a283d4b3ddce53b151c6e2b182Bill Wendling llvm::Value *getExceptionFromSlot(); 997ae270598d5c7a9a283d4b3ddce53b151c6e2b182Bill Wendling llvm::Value *getSelectorFromSlot(); 998ae270598d5c7a9a283d4b3ddce53b151c6e2b182Bill Wendling 999ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall llvm::Value *getNormalCleanupDestSlot(); 1000ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall 1001f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *getUnreachableBlock() { 1002f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall if (!UnreachableBlock) { 1003f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall UnreachableBlock = createBasicBlock("unreachable"); 1004f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall new llvm::UnreachableInst(getLLVMContext(), UnreachableBlock); 1005f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall } 1006f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall return UnreachableBlock; 1007f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall } 1008f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 1009f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *getInvokeDest() { 10106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!EHStack.requiresLandingPad()) return nullptr; 1011f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall return getInvokeDestImpl(); 1012f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall } 10139834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 101464aa4b3ec7e62288e2e66c1935487ece995ca94bJohn McCall const TargetInfo &getTarget() const { return Target; } 1015d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::LLVMContext &getLLVMContext() { return CGM.getLLVMContext(); } 101669243825cb5c91ec7207256aa57ae327cfaf8cb2Owen Anderson 10179834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 1018bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall // Cleanups 1019bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall //===--------------------------------------------------------------------===// 1020bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 1021bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall typedef void Destroyer(CodeGenFunction &CGF, llvm::Value *addr, QualType ty); 1022bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 10232673c68aa58e277ebc755b71d81aca618cdedbf9John McCall void pushIrregularPartialArrayCleanup(llvm::Value *arrayBegin, 10242673c68aa58e277ebc755b71d81aca618cdedbf9John McCall llvm::Value *arrayEndPointer, 10252673c68aa58e277ebc755b71d81aca618cdedbf9John McCall QualType elementType, 1026516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne Destroyer *destroyer); 10272673c68aa58e277ebc755b71d81aca618cdedbf9John McCall void pushRegularPartialArrayCleanup(llvm::Value *arrayBegin, 10282673c68aa58e277ebc755b71d81aca618cdedbf9John McCall llvm::Value *arrayEnd, 10292673c68aa58e277ebc755b71d81aca618cdedbf9John McCall QualType elementType, 1030516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne Destroyer *destroyer); 1031bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 10329928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall void pushDestroy(QualType::DestructionKind dtorKind, 10339928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall llvm::Value *addr, QualType type); 1034074cae0861a87bf96d8ea56d02e34839d9ccbd0aJohn McCall void pushEHDestroy(QualType::DestructionKind dtorKind, 1035074cae0861a87bf96d8ea56d02e34839d9ccbd0aJohn McCall llvm::Value *addr, QualType type); 1036bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall void pushDestroy(CleanupKind kind, llvm::Value *addr, QualType type, 1037516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne Destroyer *destroyer, bool useEHCleanupForArray); 10388a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith void pushLifetimeExtendedDestroy(CleanupKind kind, llvm::Value *addr, 10398a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith QualType type, Destroyer *destroyer, 10408a07cd3f59a0ede54906bdc8ed21724815db27adRichard Smith bool useEHCleanupForArray); 1041651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void pushStackRestore(CleanupKind kind, llvm::Value *SPMem); 1042516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne void emitDestroy(llvm::Value *addr, QualType type, Destroyer *destroyer, 10432673c68aa58e277ebc755b71d81aca618cdedbf9John McCall bool useEHCleanupForArray); 1044c7971a9efdf9880448a69aabb5182c3c27eecf6dDavid Blaikie llvm::Function *generateDestroyHelper(llvm::Constant *addr, QualType type, 1045516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne Destroyer *destroyer, 1046c7971a9efdf9880448a69aabb5182c3c27eecf6dDavid Blaikie bool useEHCleanupForArray, 1047c7971a9efdf9880448a69aabb5182c3c27eecf6dDavid Blaikie const VarDecl *VD); 1048bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall void emitArrayDestroy(llvm::Value *begin, llvm::Value *end, 1049516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne QualType type, Destroyer *destroyer, 1050fbf780a9d1dbb191fc40c8af967c590e08724b74John McCall bool checkZeroLength, bool useEHCleanup); 1051bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 1052516bbd42e62d709013824d6fb8445a0cfda3129aPeter Collingbourne Destroyer *getDestroyer(QualType::DestructionKind destructionKind); 10539928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall 1054bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall /// Determines whether an EH cleanup is required to destroy a type 1055bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall /// with the given destruction kind. 1056bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall bool needsEHCleanup(QualType::DestructionKind kind) { 1057bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall switch (kind) { 1058bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall case QualType::DK_none: 1059bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall return false; 1060bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall case QualType::DK_cxx_destructor: 1061bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall case QualType::DK_objc_weak_lifetime: 10624e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie return getLangOpts().Exceptions; 1063bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall case QualType::DK_objc_strong_lifetime: 10644e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie return getLangOpts().Exceptions && 1065bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall CGM.getCodeGenOpts().ObjCAutoRefCountExceptions; 1066bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall } 1067bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall llvm_unreachable("bad destruction kind"); 1068bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall } 1069bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 10709928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall CleanupKind getCleanupKind(QualType::DestructionKind kind) { 10719928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall return (needsEHCleanup(kind) ? NormalAndEHCleanup : NormalCleanup); 10729928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall } 10739928c4805aa8d5fabd488d0d0c5aeb64fd50f0e3John McCall 1074bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall //===--------------------------------------------------------------------===// 10759834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar // Objective-C 10769834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 10779834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 1078391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 1079af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 10800dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void StartObjCMethod(const ObjCMethodDecl *MD, 10818d3f8979e46f9d0b8735566eabe471db0e1e0e53Devang Patel const ObjCContainerDecl *CD, 10828d3f8979e46f9d0b8735566eabe471db0e1e0e53Devang Patel SourceLocation StartLoc); 1083af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 10840dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCGetter - Synthesize an Objective-C property getter function. 1085fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCGetter(ObjCImplementationDecl *IMP, 1086fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 10871e1f4871535f2cadcbf8c9af8cc48a2213192320John McCall void generateObjCGetterBody(const ObjCImplementationDecl *classImpl, 1088b6e5fe3cae9bf456f084c555c3ecc256f4181cc5Fariborz Jahanian const ObjCPropertyImplDecl *propImpl, 1089490a52b4947381879a47b4251db5fb81cdf5d02bFariborz Jahanian const ObjCMethodDecl *GetterMothodDecl, 1090b6e5fe3cae9bf456f084c555c3ecc256f4181cc5Fariborz Jahanian llvm::Constant *AtomicHelperFn); 10912846b97965e980ad2e7c8d444b82cc21d733a699Fariborz Jahanian 1092109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian void GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, 1093109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCMethodDecl *MD, bool ctor); 1094af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 10950dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCSetter - Synthesize an Objective-C property setter function 10960dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// for the given property. 1097fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCSetter(ObjCImplementationDecl *IMP, 1098fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 109971c758d3f4ecc8b511e6ae4a7210486aa994c182John McCall void generateObjCSetterBody(const ObjCImplementationDecl *classImpl, 1100cd93b96bc51c255d104095bc6a6d8eac74a84b1eFariborz Jahanian const ObjCPropertyImplDecl *propImpl, 1101cd93b96bc51c255d104095bc6a6d8eac74a84b1eFariborz Jahanian llvm::Constant *AtomicHelperFn); 11020b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian bool IndirectObjCSetterArg(const CGFunctionInfo &FI); 110315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IvarTypeWithAggrGCObjects(QualType Ty); 1104af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 11054e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 11064e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump // Block Bits 11074e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 11084e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 11096b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall llvm::Value *EmitBlockLiteral(const BlockExpr *); 11101a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall llvm::Value *EmitBlockLiteral(const CGBlockInfo &Info); 11111a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall static void destroyBlockInfos(CGBlockInfo *info); 11122a7eb28397148079cbc8e54e8a3871ef01c4f4bcBlaine Garst llvm::Constant *BuildDescriptorBlockDecl(const BlockExpr *, 111389ecd41e0a6bfb3b0913dbe41c3c666340b308c7Fariborz Jahanian const CGBlockInfo &Info, 11142acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::StructType *, 1115d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::Constant *BlockVarLayout); 11164e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 1117564360be450b319aeafc26698be9811837bfb826Fariborz Jahanian llvm::Function *GenerateBlockFunction(GlobalDecl GD, 11186b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const CGBlockInfo &Info, 111964bee65a3436e3f0c352fcfe2130676f3502cffeEli Friedman const DeclMapTy &ldm, 112064bee65a3436e3f0c352fcfe2130676f3502cffeEli Friedman bool IsLambdaConversionToBlock); 11214e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 1122d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::Constant *GenerateCopyHelperFunction(const CGBlockInfo &blockInfo); 1123d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::Constant *GenerateDestroyHelperFunction(const CGBlockInfo &blockInfo); 112420abee6b95c4f5a61e471b4b616439280ca4a81bFariborz Jahanian llvm::Constant *GenerateObjCAtomicSetterCopyHelperFunction( 112520abee6b95c4f5a61e471b4b616439280ca4a81bFariborz Jahanian const ObjCPropertyImplDecl *PID); 112620abee6b95c4f5a61e471b4b616439280ca4a81bFariborz Jahanian llvm::Constant *GenerateObjCAtomicGetterCopyHelperFunction( 112720abee6b95c4f5a61e471b4b616439280ca4a81bFariborz Jahanian const ObjCPropertyImplDecl *PID); 1128cae40c4d448529fe65de3d87bdbe97d3b54b4d98Eli Friedman llvm::Value *EmitBlockCopyAndAutorelease(llvm::Value *Block, QualType Ty); 1129d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall 1130d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall void BuildBlockRelease(llvm::Value *DeclPtr, BlockFieldFlags flags); 1131d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall 11325af02db5a48476e0748f135369663080eae87c64John McCall class AutoVarEmission; 11335af02db5a48476e0748f135369663080eae87c64John McCall 11345af02db5a48476e0748f135369663080eae87c64John McCall void emitByrefStructureInit(const AutoVarEmission &emission); 11355af02db5a48476e0748f135369663080eae87c64John McCall void enterByrefCleanup(const AutoVarEmission &emission); 11365af02db5a48476e0748f135369663080eae87c64John McCall 11376b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall llvm::Value *LoadBlockStruct() { 11386b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall assert(BlockPointer && "no block pointer set!"); 11396b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return BlockPointer; 11406b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall } 11414e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 1142ea1471e0e967548c596a71469702f8846dbaf3c0John McCall void AllocateBlockCXXThisPointer(const CXXThisExpr *E); 1143f4b88a45902af1802a1cb42ba48b1c474474f228John McCall void AllocateBlockDecl(const DeclRefExpr *E); 11446b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall llvm::Value *GetAddrOfBlockDecl(const VarDecl *var, bool ByRef); 11452acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::Type *BuildByRefType(const VarDecl *var); 1146dab514fc30242c7afd6c03956e46136c400fb0d3Mike Stump 1147d26bc76c98006609002d9930f8840490e88ac5b5John McCall void GenerateCode(GlobalDecl GD, llvm::Function *Fn, 1148d26bc76c98006609002d9930f8840490e88ac5b5John McCall const CGFunctionInfo &FnInfo); 11496bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /// \brief Emit code for the start of a function. 11506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /// \param Loc The location to be associated with the function. 11516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /// \param StartLoc The location of the function body. 1152f5ebf9bf1df10ac15ba32a4b24dfe171b7848c58John McCall void StartFunction(GlobalDecl GD, 1153f5ebf9bf1df10ac15ba32a4b24dfe171b7848c58John McCall QualType RetTy, 11547c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar llvm::Function *Fn, 1155d26bc76c98006609002d9930f8840490e88ac5b5John McCall const CGFunctionInfo &FnInfo, 11562284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar const FunctionArgList &Args, 11576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SourceLocation Loc = SourceLocation(), 11586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SourceLocation StartLoc = SourceLocation()); 1159a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 11609fc6a7774643a810c8501dae2323e863fefb623eJohn McCall void EmitConstructorBody(FunctionArgList &Args); 11619fc6a7774643a810c8501dae2323e863fefb623eJohn McCall void EmitDestructorBody(FunctionArgList &Args); 116256c00c4868831c9a137ca7b0e16d063cf986d110Lang Hames void emitImplicitAssignmentOperatorBody(FunctionArgList &Args); 11633cebc73895daccea85984d8881b5b45c8f8df9c6Richard Smith void EmitFunctionBody(FunctionArgList &Args, const Stmt *Body); 1164651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void EmitBlockWithFallThrough(llvm::BasicBlock *BB, RegionCounter &Cnt); 1165a355e07454463b19829ac92ffd115a097faff0e0John McCall 1166d6992ab33b7113e1bd7af51c0c52d17c23706c01Faisal Vali void EmitForwardingCallToLambda(const CXXMethodDecl *LambdaCallOperator, 116764bee65a3436e3f0c352fcfe2130676f3502cffeEli Friedman CallArgList &CallArgs); 1168bd89f8c2caa9550e41daa1aa9bf30f0f1e0dfaf7Eli Friedman void EmitLambdaToBlockPointerBody(FunctionArgList &Args); 116964bee65a3436e3f0c352fcfe2130676f3502cffeEli Friedman void EmitLambdaBlockInvokeBody(); 117027dd7d962bbf774988bc5e59d04a7743ed503514Douglas Gregor void EmitLambdaDelegatingInvokeBody(const CXXMethodDecl *MD); 117127dd7d962bbf774988bc5e59d04a7743ed503514Douglas Gregor void EmitLambdaStaticInvokeFunction(const CXXMethodDecl *MD); 1172bd89f8c2caa9550e41daa1aa9bf30f0f1e0dfaf7Eli Friedman 11730dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitReturnBlock - Emit the unified return block, trying to avoid its 11740dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emission when possible. 11750a0f93c90fd397a1aa9f97283c55f8ba0062bf55David Blaikie void EmitReturnBlock(); 11761c1d6074f5a0296dd273362655b1b8f9057289e3Daniel Dunbar 11770dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// FinishFunction - Complete IR generation of the current function. It is 11780dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// legal to call this function even if there is no current insertion point. 1179af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void FinishFunction(SourceLocation EndLoc=SourceLocation()); 118017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 118193b717ac956f5c82f7895ed8874cbd514c6d0a4eHans Wennborg void StartThunk(llvm::Function *Fn, GlobalDecl GD, const CGFunctionInfo &FnInfo); 118293b717ac956f5c82f7895ed8874cbd514c6d0a4eHans Wennborg 118393b717ac956f5c82f7895ed8874cbd514c6d0a4eHans Wennborg void EmitCallAndReturnForThunk(GlobalDecl GD, llvm::Value *Callee, 118493b717ac956f5c82f7895ed8874cbd514c6d0a4eHans Wennborg const ThunkInfo *Thunk); 118593b717ac956f5c82f7895ed8874cbd514c6d0a4eHans Wennborg 1186519c32880b99396034ecaedc0cd86db2e8485003Anders Carlsson /// GenerateThunk - Generate a thunk for the given method. 1187d26bc76c98006609002d9930f8840490e88ac5b5John McCall void GenerateThunk(llvm::Function *Fn, const CGFunctionInfo &FnInfo, 1188d26bc76c98006609002d9930f8840490e88ac5b5John McCall GlobalDecl GD, const ThunkInfo &Thunk); 11899cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 11907dcdf5ba9324a9577461eae302e88fdd52e310c5Eli Friedman void GenerateVarArgsThunk(llvm::Function *Fn, const CGFunctionInfo &FnInfo, 11917dcdf5ba9324a9577461eae302e88fdd52e310c5Eli Friedman GlobalDecl GD, const ThunkInfo &Thunk); 11927dcdf5ba9324a9577461eae302e88fdd52e310c5Eli Friedman 1193fb8cc253420e93cee33d29df5a2bdae6aaf16e39Douglas Gregor void EmitCtorPrologue(const CXXConstructorDecl *CD, CXXCtorType Type, 1194fb8cc253420e93cee33d29df5a2bdae6aaf16e39Douglas Gregor FunctionArgList &Args); 11951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1196b74ed087469db042325bad76fdf3ff6ed67dec09Eli Friedman void EmitInitializerForField(FieldDecl *Field, LValue LHS, Expr *Init, 1197b74ed087469db042325bad76fdf3ff6ed67dec09Eli Friedman ArrayRef<VarDecl *> ArrayIndexes); 1198b74ed087469db042325bad76fdf3ff6ed67dec09Eli Friedman 1199d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson /// InitializeVTablePointer - Initialize the vtable pointer of the given 1200d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson /// subobject. 1201d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson /// 12029cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer void InitializeVTablePointer(BaseSubobject Base, 1203b3b772ea15a4cd54879e244629aa685ead9548bbAnders Carlsson const CXXRecordDecl *NearestVBase, 1204d6fb21fa1053e5d616af55b181bb03c50d4b0d24Ken Dyck CharUnits OffsetFromNearestVBase, 1205d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson const CXXRecordDecl *VTableClass); 1206d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson 1207d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson typedef llvm::SmallPtrSet<const CXXRecordDecl *, 4> VisitedVirtualBasesSetTy; 12089cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer void InitializeVTablePointers(BaseSubobject Base, 1209b3b772ea15a4cd54879e244629aa685ead9548bbAnders Carlsson const CXXRecordDecl *NearestVBase, 1210d6fb21fa1053e5d616af55b181bb03c50d4b0d24Ken Dyck CharUnits OffsetFromNearestVBase, 1211603d6d12cc4cba1ef219a3d55c698c7c87f87adfAnders Carlsson bool BaseIsNonVirtualPrimaryBase, 1212603d6d12cc4cba1ef219a3d55c698c7c87f87adfAnders Carlsson const CXXRecordDecl *VTableClass, 1213603d6d12cc4cba1ef219a3d55c698c7c87f87adfAnders Carlsson VisitedVirtualBasesSetTy& VBases); 121477a259c6dbf582949af8a243b472c0c7faa373a6Eli Friedman 1215603d6d12cc4cba1ef219a3d55c698c7c87f87adfAnders Carlsson void InitializeVTablePointers(const CXXRecordDecl *ClassDecl); 1216d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson 1217043fb9a1fc0609285f60f0f87e5a18195408f34cDan Gohman /// GetVTablePtr - Return the Value of the vtable pointer member pointed 1218043fb9a1fc0609285f60f0f87e5a18195408f34cDan Gohman /// to by This. 12192acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::Value *GetVTablePtr(llvm::Value *This, llvm::Type *Ty); 1220d103f9f9b401b419e756f8c1849683cd77586067Anders Carlsson 12219581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer 12229581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer /// CanDevirtualizeMemberFunctionCalls - Checks whether virtual calls on given 12239581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer /// expr can be devirtualized. 12249581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer bool CanDevirtualizeMemberFunctionCall(const Expr *Base, 12259581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer const CXXMethodDecl *MD); 12269581ed07dee5376002620a0cfb363c6b9e5bdd3eBenjamin Kramer 122750da2cadcc6da86abff6772de65280ace2cabc94John McCall /// EnterDtorCleanups - Enter the cleanups necessary to complete the 122850da2cadcc6da86abff6772de65280ace2cabc94John McCall /// given phase of destruction for a destructor. The end result 122950da2cadcc6da86abff6772de65280ace2cabc94John McCall /// should call destructors on members and base classes in reverse 123050da2cadcc6da86abff6772de65280ace2cabc94John McCall /// order of their construction. 123150da2cadcc6da86abff6772de65280ace2cabc94John McCall void EnterDtorCleanups(const CXXDestructorDecl *Dtor, CXXDtorType Type); 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12337255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner /// ShouldInstrumentFunction - Return true if the current function should be 12347255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner /// instrumented with __cyg_profile_func_* calls 12357255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner bool ShouldInstrumentFunction(); 12367255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner 12377255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner /// EmitFunctionInstrumentation - Emit LLVM code to call the specified 12387255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner /// instrumentation function with the current function and the call site, if 12397255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner /// function instrumentation is enabled. 12407255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner void EmitFunctionInstrumentation(const char *Fn); 12417255a2d997b15beae82e627052fdb1b2474495c2Chris Lattner 1242be4c8705e499b55548467eb7adaa23cbc6edfef9Roman Divacky /// EmitMCountInstrumentation - Emit call to .mcount. 1243be4c8705e499b55548467eb7adaa23cbc6edfef9Roman Divacky void EmitMCountInstrumentation(); 1244be4c8705e499b55548467eb7adaa23cbc6edfef9Roman Divacky 12450dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionProlog - Emit the target specific LLVM code to load the 12460dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// arguments for the given function. This is also responsible for naming the 12470dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM function arguments. 124888b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar void EmitFunctionProlog(const CGFunctionInfo &FI, 124988b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Function *Fn, 125017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar const FunctionArgList &Args); 125117b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 12520dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionEpilog - Emit the target specific LLVM code to return the 12530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// given temporary. 12544ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky void EmitFunctionEpilog(const CGFunctionInfo &FI, bool EmitRetDbgLoc, 12554ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation EndLoc); 125617b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 1257cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump /// EmitStartEHSpec - Emit the start of the exception spec. 1258cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump void EmitStartEHSpec(const Decl *D); 1259cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump 1260cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump /// EmitEndEHSpec - Emit the end of the exception spec. 1261cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump void EmitEndEHSpec(const Decl *D); 1262cce3d4f9812182ed4e551b7cf0fc86576be8d9c5Mike Stump 1263f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// getTerminateLandingPad - Return a landing pad that just calls terminate. 1264f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::BasicBlock *getTerminateLandingPad(); 1265f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 1266f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// getTerminateHandler - Return a handler (not a landing pad, just 1267f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// a catch handler) that just calls terminate. This is used when 1268f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall /// a terminate scope encloses a try. 12699b39c51ae3c547568ac42325f94b4197618f6b18Mike Stump llvm::BasicBlock *getTerminateHandler(); 12709b39c51ae3c547568ac42325f94b4197618f6b18Mike Stump 12719cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner llvm::Type *ConvertTypeForMem(QualType T); 12729cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner llvm::Type *ConvertType(QualType T); 12739cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner llvm::Type *ConvertType(const TypeDecl *T) { 1274bff225ecf77fb891596ecb1b27196310d268365eJohn McCall return ConvertType(getContext().getTypeDeclType(T)); 1275bff225ecf77fb891596ecb1b27196310d268365eJohn McCall } 1276c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 12770dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LoadObjCSelf - Load the value of self. This function is only valid while 12780dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// generating code for an Objective-C method. 1279c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 12800dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 12810dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// TypeOfSelfObject - Return type of object that this self represents. 128245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian QualType TypeOfSelfObject(); 12834111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 12869d232c884ea9872d6555df0fd7359699819bc1f1John McCall static TypeEvaluationKind getEvaluationKind(QualType T); 12879d232c884ea9872d6555df0fd7359699819bc1f1John McCall 12889d232c884ea9872d6555df0fd7359699819bc1f1John McCall static bool hasScalarEvaluationKind(QualType T) { 12899d232c884ea9872d6555df0fd7359699819bc1f1John McCall return getEvaluationKind(T) == TEK_Scalar; 12909d232c884ea9872d6555df0fd7359699819bc1f1John McCall } 12919d232c884ea9872d6555df0fd7359699819bc1f1John McCall 12929d232c884ea9872d6555df0fd7359699819bc1f1John McCall static bool hasAggregateEvaluationKind(QualType T) { 12939d232c884ea9872d6555df0fd7359699819bc1f1John McCall return getEvaluationKind(T) == TEK_Aggregate; 12949d232c884ea9872d6555df0fd7359699819bc1f1John McCall } 129555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar 129655e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar /// createBasicBlock - Create an LLVM basic block. 12974def70d3040e73707c738f7c366737a986135edfRichard Smith llvm::BasicBlock *createBasicBlock(const Twine &name = "", 12986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Function *parent = nullptr, 12996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::BasicBlock *before = nullptr) { 130029ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#ifdef NDEBUG 1301d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall return llvm::BasicBlock::Create(getLLVMContext(), "", parent, before); 130229ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#else 1303d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall return llvm::BasicBlock::Create(getLLVMContext(), name, parent, before); 130429ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#endif 130555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar } 13060dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 13085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 1309ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner JumpDest getJumpDestForLabel(const LabelDecl *S); 13100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1311f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// SimplifyForwardingBlocks - If the given basic block is only a branch to 1312f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// another basic block, simplify it. This assumes that no other code could 1313f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// potentially reference the basic block. 1314aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar void SimplifyForwardingBlocks(llvm::BasicBlock *BB); 1315aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar 13160dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBlock - Emit the given block \arg BB and set it as the insert point, 13170dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// adding a fall-through branch from the current insert block if 13180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessary. It is legal to call this function even if there is no current 13190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 1320a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar /// 13210dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// IsFinished - If true, indicates that the caller has finished emitting 13220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// branches to the given block and does not expect to emit code into it. This 13230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// means the block can be ignored if it is unreachable. 1324a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false); 1325824e3bd76b2e32db2ec6e4d2d113413e518d1c63Daniel Dunbar 1326777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// EmitBlockAfterUses - Emit the given block somewhere hopefully 1327777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall /// near its uses, and leave the insertion point in it. 1328777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall void EmitBlockAfterUses(llvm::BasicBlock *BB); 1329777d6e56ad9b1fed9866daf3ee6486d85c5b7d32John McCall 13300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBranch - Emit a branch to the specified basic block from the current 13310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insert block, taking care to avoid creation of branches from dummy 13320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// blocks. It is legal to call this function even if there is no current 13330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 13345e08ad3cc62ab94649959ae227a9a411a729bf49Daniel Dunbar /// 13350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function clears the current insertion point. The caller should follow 13360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calls to this function with calls to Emit*Block prior to generation new 13370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// code. 1338d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar void EmitBranch(llvm::BasicBlock *Block); 1339d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar 13400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// HaveInsertPoint - True if an insertion point is defined. If not, this 13410dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// indicates that the current code being emitted is unreachable. 13420dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump bool HaveInsertPoint() const { 13436bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Builder.GetInsertBlock() != nullptr; 1344a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 1345a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 13460dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint - Ensure that an insertion point is defined so that 13470dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emitted IR has a place to go. Note that by definition, if this function 13480dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// creates a block then that block is unreachable; callers may do better to 13490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// detect when no insertion point is defined and simply skip IR generation. 1350a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar void EnsureInsertPoint() { 1351a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar if (!HaveInsertPoint()) 1352a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar EmitBlock(createBasicBlock()); 1353a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 13540dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1355488e993a135ce700b982bf099c3d6b856301d642Daniel Dunbar /// ErrorUnsupported - Print out an error that codegen doesn't support the 1356dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 13570a1c862914664029e3b6693e134cf3ccbf423844David Blaikie void ErrorUnsupported(const Stmt *S, const char *Type); 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 13620dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 13636da2c716017d5c8530ec99779524491ebc5dadb8Eli Friedman LValue MakeAddrLValue(llvm::Value *V, QualType T, 13646da2c716017d5c8530ec99779524491ebc5dadb8Eli Friedman CharUnits Alignment = CharUnits()) { 13653d5aff5d3036b0ff09d114857cd2276134b3d8c9Dan Gohman return LValue::MakeAddr(V, T, Alignment, getContext(), 13663d5aff5d3036b0ff09d114857cd2276134b3d8c9Dan Gohman CGM.getTBAAInfo(T)); 13672f77b3d57031ded0de2b7b977fb63b4660f82624Eli Friedman } 1368e0c1168ec7910a1a7ed08df4d4f0c58c2fa2ecd1John McCall 13692f77b3d57031ded0de2b7b977fb63b4660f82624Eli Friedman LValue MakeNaturalAlignAddrLValue(llvm::Value *V, QualType T) { 13706da2c716017d5c8530ec99779524491ebc5dadb8Eli Friedman CharUnits Alignment; 13716da2c716017d5c8530ec99779524491ebc5dadb8Eli Friedman if (!T->isIncompleteType()) 13726da2c716017d5c8530ec99779524491ebc5dadb8Eli Friedman Alignment = getContext().getTypeAlignInChars(T); 13732f77b3d57031ded0de2b7b977fb63b4660f82624Eli Friedman return LValue::MakeAddr(V, T, Alignment, getContext(), 13742f77b3d57031ded0de2b7b977fb63b4660f82624Eli Friedman CGM.getTBAAInfo(T)); 13755cf8bfec711116b3c4acc70a00717b2e119e7550Daniel Dunbar } 13765cf8bfec711116b3c4acc70a00717b2e119e7550Daniel Dunbar 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 1378195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar /// block. The caller is responsible for setting an appropriate alignment on 1379195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar /// the alloca. 13802acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::AllocaInst *CreateTempAlloca(llvm::Type *Ty, 13818cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner const Twine &Name = "tmp"); 13820dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1383ac418162692a951ca3796d6830496a85a2d12493John McCall /// InitTempAlloca - Provide an initial value for the given alloca. 1384ac418162692a951ca3796d6830496a85a2d12493John McCall void InitTempAlloca(llvm::AllocaInst *Alloca, llvm::Value *Value); 1385ac418162692a951ca3796d6830496a85a2d12493John McCall 13869bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar /// CreateIRTemp - Create a temporary IR object of the given type, with 13879bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar /// appropriate alignment. This routine should only be used when an temporary 13889bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar /// value needs to be stored into an alloca (for example, to avoid explicit 13899bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar /// PHI construction), but the type is the IR type, not the type appropriate 13909bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar /// for storing in memory. 13918cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner llvm::AllocaInst *CreateIRTemp(QualType T, const Twine &Name = "tmp"); 13929bd4da2cfa8b956b851200db8f9a37e175edbb15Daniel Dunbar 1393195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar /// CreateMemTemp - Create a temporary memory object of the given type, with 1394195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar /// appropriate alignment. 13958cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner llvm::AllocaInst *CreateMemTemp(QualType T, const Twine &Name = "tmp"); 1396195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar 1397558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// CreateAggTemp - Create a temporary memory object for the given 1398558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// aggregate type. 13998cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner AggValueSlot CreateAggTemp(QualType T, const Twine &Name = "tmp") { 1400d7722d9d76a851e7897f4127626616d3b1b8e530Eli Friedman CharUnits Alignment = getContext().getTypeAlignInChars(T); 1401f394078fde147dcf27e9b6a7965517388d64dcb6Eli Friedman return AggValueSlot::forAddr(CreateMemTemp(T, Name), Alignment, 1402f394078fde147dcf27e9b6a7965517388d64dcb6Eli Friedman T.getQualifiers(), 14037c2349be2d11143a2e59a167fd43362a3bf4585eJohn McCall AggValueSlot::IsNotDestructed, 1404410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall AggValueSlot::DoesNotNeedGCBarriers, 1405649b4a1a9b5e6f768ca0cb84bd97b00f51083e15Chad Rosier AggValueSlot::IsNotAliased); 1406558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall } 1407558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall 1408651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// CreateInAllocaTmp - Create a temporary memory object for the given 1409651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// aggregate type. 1410651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines AggValueSlot CreateInAllocaTmp(QualType T, const Twine &Name = "inalloca"); 1411651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 1412d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall /// Emit a cast to void* in the appropriate address space. 1413d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall llvm::Value *EmitCastToVoidPtr(llvm::Value *value); 1414d16c2cf1cafa413709aa487cbbd5dc392f1ba1ffJohn McCall 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14192a41637a995affa1563f4d82a8b026e326a2faa0John McCall /// EmitIgnoredExpr - Emit an expression in a context which ignores the result. 14202a41637a995affa1563f4d82a8b026e326a2faa0John McCall void EmitIgnoredExpr(const Expr *E); 14212a41637a995affa1563f4d82a8b026e326a2faa0John McCall 14229b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 14239b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 14249b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 14259b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 142649d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump /// 142770517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param ignoreResult True if the resulting value isn't used. 1428558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall RValue EmitAnyExpr(const Expr *E, 1429e0c1168ec7910a1a7ed08df4d4f0c58c2fa2ecd1John McCall AggValueSlot aggSlot = AggValueSlot::ignored(), 1430e0c1168ec7910a1a7ed08df4d4f0c58c2fa2ecd1John McCall bool ignoreResult = false); 1431d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 14320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // EmitVAListRef - Emit a "reference" to a va_list; this is either the address 14330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // or the value of the expression, depending on how va_list is defined. 14344fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman llvm::Value *EmitVAListRef(const Expr *E); 14354fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman 14360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result will 14370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// always be accessible even if no aggregate location is provided. 1438558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall RValue EmitAnyExprToTemp(const Expr *E); 143946f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar 144060d3365b46eb826fba44483583c0051ac5c41fe3John McCall /// EmitAnyExprToMem - Emits the code necessary to evaluate an 1441649b4a1a9b5e6f768ca0cb84bd97b00f51083e15Chad Rosier /// arbitrary expression into the given memory location. 14423d3ec1c099ec8bfac3aa1fb0126fe515b7c7fa05John McCall void EmitAnyExprToMem(const Expr *E, llvm::Value *Location, 1443649b4a1a9b5e6f768ca0cb84bd97b00f51083e15Chad Rosier Qualifiers Quals, bool IsInitializer); 14443d3ec1c099ec8bfac3aa1fb0126fe515b7c7fa05John McCall 144560d3365b46eb826fba44483583c0051ac5c41fe3John McCall /// EmitExprAsInit - Emits the code necessary to initialize a 144660d3365b46eb826fba44483583c0051ac5c41fe3John McCall /// location in memory with the given initializer. 1447f85e193739c953358c865005855253af4f68a497John McCall void EmitExprAsInit(const Expr *init, const ValueDecl *D, 1448a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall LValue lvalue, bool capturedByInit); 144960d3365b46eb826fba44483583c0051ac5c41fe3John McCall 14503ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian /// hasVolatileMember - returns true if aggregate type has a volatile 14513ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian /// member. 14523ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian bool hasVolatileMember(QualType T) { 14533ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian if (const RecordType *RT = T->getAs<RecordType>()) { 14543ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian const RecordDecl *RD = cast<RecordDecl>(RT->getDecl()); 14553ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian return RD->hasVolatileMember(); 14563ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian } 14573ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian return false; 14583ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian } 14598fcbb8dfbc28b6279d22144e10ade401a6c03e9eArnaud A. de Grandmaison /// EmitAggregateCopy - Emit an aggregate assignment. 14606cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer /// 14616cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer /// The difference to EmitAggregateCopy is that tail padding is not copied. 14626cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer /// This is required for correctness when assigning non-POD structures in C++. 14636cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer void EmitAggregateAssign(llvm::Value *DestPtr, llvm::Value *SrcPtr, 14643ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian QualType EltTy) { 14653ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian bool IsVolatile = hasVolatileMember(EltTy); 14663ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian EmitAggregateCopy(DestPtr, SrcPtr, EltTy, IsVolatile, CharUnits::Zero(), 14673ac83d69c61238cd0d38e90fcdd03390530ab2fbFariborz Jahanian true); 14686cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer } 14696cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer 14708fcbb8dfbc28b6279d22144e10ade401a6c03e9eArnaud A. de Grandmaison /// EmitAggregateCopy - Emit an aggregate copy. 147127fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// 1472f3477c13eeaf11b32a41f181398fb5deffd0dd73Sylvestre Ledru /// \param isVolatile - True iff either the source or the destination is 147327fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// volatile. 14746cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer /// \param isAssignment - If false, allow padding to be copied. This often 14756cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer /// yields more efficient. 14767482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, 1477bd7d82878c1588afccbee6c68fa6e17bbbab7f2cEli Friedman QualType EltTy, bool isVolatile=false, 14786cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer CharUnits Alignment = CharUnits::Zero(), 14796cacae8bf9597b8124cd40aedc189c04484e1990Benjamin Kramer bool isAssignment = false); 14807482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 148151b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 148251b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 148351b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 148451b09f2c528c8460b5465c676173324e44176d62Devang Patel 1485dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson /// GetAddrOfLocalVar - Return the address of a local variable. 14864c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall llvm::Value *GetAddrOfLocalVar(const VarDecl *VD) { 14874c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall llvm::Value *Res = LocalDeclMap[VD]; 14884c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall assert(Res && "Invalid argument to GetAddrOfLocalVar(), no decl!"); 14894c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall return Res; 14904c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall } 14910dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 149256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// getOpaqueLValueMapping - Given an opaque value expression (which 149356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// must be mapped to an l-value), return its mapping. 149456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall const LValue &getOpaqueLValueMapping(const OpaqueValueExpr *e) { 149556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall assert(OpaqueValueMapping::shouldBindAsLValue(e)); 149656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 149756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall llvm::DenseMap<const OpaqueValueExpr*,LValue>::iterator 149856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall it = OpaqueLValues.find(e); 149956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall assert(it != OpaqueLValues.end() && "no mapping for opaque value!"); 150056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return it->second; 150156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 150256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 150356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// getOpaqueRValueMapping - Given an opaque value expression (which 150456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// must be mapped to an r-value), return its mapping. 150556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall const RValue &getOpaqueRValueMapping(const OpaqueValueExpr *e) { 150656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall assert(!OpaqueValueMapping::shouldBindAsLValue(e)); 150756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 150856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall llvm::DenseMap<const OpaqueValueExpr*,RValue>::iterator 150956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall it = OpaqueRValues.find(e); 151056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall assert(it != OpaqueRValues.end() && "no mapping for opaque value!"); 1511e996ffd240f20a1048179d7727a6ee3227261921John McCall return it->second; 1512e996ffd240f20a1048179d7727a6ee3227261921John McCall } 1513e996ffd240f20a1048179d7727a6ee3227261921John McCall 15144f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// getAccessedFieldNo - Given an encoded value and a result number, return 15154f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// the input field number being accessed. 15164f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); 15174f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 1518ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner llvm::BlockAddress *GetAddrOfLabel(const LabelDecl *L); 15193d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner llvm::BasicBlock *GetIndirectGotoBlock(); 15200ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 15211884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson /// EmitNullInitialization - Generate code to set a value of the given type to 15221884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson /// null, If the type contains data member pointers, they will be initialized 15231884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson /// to -1 in accordance with the Itanium C++ ABI. 15241884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson void EmitNullInitialization(llvm::Value *DestPtr, QualType Ty); 1525ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson 1526ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // EmitVAArg - Generate code to get an argument from the passed in pointer 1527ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // and update it accordingly. The return value is a pointer to the argument. 1528ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // FIXME: We should be able to get rid of this method and use the va_arg 15290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // instruction in LLVM instead once it works well enough. 1530ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty); 1531f666b7780d04186521adcaedb0e15dfa4d5e6933Anders Carlsson 1532bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall /// emitArrayLength - Compute the length of an array, even if it's a 1533bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall /// VLA, and drill down to the base element type. 1534bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall llvm::Value *emitArrayLength(const ArrayType *arrayType, 1535bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall QualType &baseType, 1536bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall llvm::Value *&addr); 1537bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 1538bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// EmitVLASize - Capture all the sizes for the VLA expressions in 1539bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// the given variably-modified type and store them in the VLASizeMap. 1540d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 1541d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 1542bc8d40d85f3fa1e34569834916f18fecaa635152John McCall void EmitVariablyModifiedType(QualType Ty); 1543bc8d40d85f3fa1e34569834916f18fecaa635152John McCall 1544bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// getVLASize - Returns an LLVM value that corresponds to the size, 1545bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// in non-variably-sized elements, of a variable length array type, 1546bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// plus that largest non-variably-sized element type. Assumes that 1547bc8d40d85f3fa1e34569834916f18fecaa635152John McCall /// the type has already been emitted with EmitVariablyModifiedType. 1548bc8d40d85f3fa1e34569834916f18fecaa635152John McCall std::pair<llvm::Value*,QualType> getVLASize(const VariableArrayType *vla); 1549bc8d40d85f3fa1e34569834916f18fecaa635152John McCall std::pair<llvm::Value*,QualType> getVLASize(QualType vla); 1550dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson 15515f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// LoadCXXThis - Load the value of 'this'. This function is only valid while 15525f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// generating code for an C++ member function. 15532504941793b549323f9d29c62507cf21d865fadeJohn McCall llvm::Value *LoadCXXThis() { 15542504941793b549323f9d29c62507cf21d865fadeJohn McCall assert(CXXThisValue && "no 'this' value for this function"); 15552504941793b549323f9d29c62507cf21d865fadeJohn McCall return CXXThisValue; 15562504941793b549323f9d29c62507cf21d865fadeJohn McCall } 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1558c997d4278d329e18891aac9698fb991b2d4622ebAnders Carlsson /// LoadCXXVTT - Load the VTT parameter to base constructors/destructors have 1559c997d4278d329e18891aac9698fb991b2d4622ebAnders Carlsson /// virtual bases. 156059660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov // FIXME: Every place that calls LoadCXXVTT is something 156159660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov // that needs to be abstracted properly. 15622504941793b549323f9d29c62507cf21d865fadeJohn McCall llvm::Value *LoadCXXVTT() { 156359660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov assert(CXXStructorImplicitParamValue && "no VTT value for this function"); 156459660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CXXStructorImplicitParamValue; 156559660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov } 156659660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov 156759660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov /// LoadCXXStructorImplicitParam - Load the implicit parameter 156859660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov /// for a constructor/destructor. 156959660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov llvm::Value *LoadCXXStructorImplicitParam() { 157059660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov assert(CXXStructorImplicitParamValue && 157159660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov "no implicit argument value for this function"); 157259660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CXXStructorImplicitParamValue; 15732504941793b549323f9d29c62507cf21d865fadeJohn McCall } 1574bff225ecf77fb891596ecb1b27196310d268365eJohn McCall 1575bff225ecf77fb891596ecb1b27196310d268365eJohn McCall /// GetAddressOfBaseOfCompleteClass - Convert the given pointer to a 15768561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson /// complete class to the given direct base. 15778561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson llvm::Value * 15788561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson GetAddressOfDirectBaseInCompleteClass(llvm::Value *Value, 15798561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson const CXXRecordDecl *Derived, 15808561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson const CXXRecordDecl *Base, 15818561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson bool BaseIsVirtual); 1582a88ad5618fcb07c5374c79d6781a33234984b039Anders Carlsson 1583f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// GetAddressOfBaseClass - This function will add the necessary delta to the 1584f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// load of 'this' and returns address of the base class. 15859cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer llvm::Value *GetAddressOfBaseClass(llvm::Value *Value, 15868561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson const CXXRecordDecl *Derived, 1587f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr::path_const_iterator PathBegin, 1588f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr::path_const_iterator PathEnd, 158934a2d384c745ebc39cae45dc1c0c4a6a7012e09bAnders Carlsson bool NullCheckValue); 159034a2d384c745ebc39cae45dc1c0c4a6a7012e09bAnders Carlsson 1591a3697c9c155bda93fd2802f37084b620f4738822Anders Carlsson llvm::Value *GetAddressOfDerivedClass(llvm::Value *Value, 15928561a8666c70f924c8f0209c41b9b77bbbf90607Anders Carlsson const CXXRecordDecl *Derived, 1593f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr::path_const_iterator PathBegin, 1594f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr::path_const_iterator PathEnd, 15955a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson bool NullCheckValue); 1596a3697c9c155bda93fd2802f37084b620f4738822Anders Carlsson 15971d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov /// GetVTTParameter - Return the VTT parameter that should be passed to a 15981d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov /// base constructor/destructor with virtual bases. 15991d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov /// FIXME: VTTs are Itanium ABI-specific, so the definition should move 16001d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov /// to ItaniumCXXABI.cpp together with all the references to VTT. 16011d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov llvm::Value *GetVTTParameter(GlobalDecl GD, bool ForVirtualBase, 16021d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov bool Delegating); 16031d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov 1604c0bf462cf35fe050bddbd8bff967298e4a67e79dJohn McCall void EmitDelegateCXXConstructorCall(const CXXConstructorDecl *Ctor, 1605c0bf462cf35fe050bddbd8bff967298e4a67e79dJohn McCall CXXCtorType CtorType, 16064ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky const FunctionArgList &Args, 16074ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation Loc); 1608059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt // It's important not to confuse this and the previous function. Delegating 1609059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt // constructors are the C++0x feature. The constructor delegate optimization 1610059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt // is used to reduce duplication in the base and complete consturctors where 1611059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt // they are substantially the same. 1612059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt void EmitDelegatingCXXConstructorCall(const CXXConstructorDecl *Ctor, 1613059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt const FunctionArgList &Args); 1614155ed4a23366f4514befb1c9f5f89d16f8b8b6dbAnders Carlsson void EmitCXXConstructorCall(const CXXConstructorDecl *D, CXXCtorType Type, 1615378e1e739aed97e9b278beeb20e9f5bbe34c0232Douglas Gregor bool ForVirtualBase, bool Delegating, 1616378e1e739aed97e9b278beeb20e9f5bbe34c0232Douglas Gregor llvm::Value *This, 1617b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 1618b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 161934999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian 162034999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian void EmitSynthesizedCXXCopyCtorCall(const CXXConstructorDecl *D, 162134999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian llvm::Value *This, llvm::Value *Src, 162234999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian CallExpr::const_arg_iterator ArgBeg, 162334999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian CallExpr::const_arg_iterator ArgEnd); 16241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1625288dcaf329c49b01dacd5c1dd9f35609555feecdFariborz Jahanian void EmitCXXAggrConstructorCall(const CXXConstructorDecl *D, 1626569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson const ConstantArrayType *ArrayTy, 16275d4d946ec2d88696fd8422aeb64dc29688e6a2c1Anders Carlsson llvm::Value *ArrayPtr, 16285d4d946ec2d88696fd8422aeb64dc29688e6a2c1Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 162959174c0633fb5cde41735cfbff5744bdf837e8d9Douglas Gregor CallExpr::const_arg_iterator ArgEnd, 163059174c0633fb5cde41735cfbff5744bdf837e8d9Douglas Gregor bool ZeroInitialization = false); 16319cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 1632569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson void EmitCXXAggrConstructorCall(const CXXConstructorDecl *D, 1633569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson llvm::Value *NumElements, 16345d4d946ec2d88696fd8422aeb64dc29688e6a2c1Anders Carlsson llvm::Value *ArrayPtr, 16355d4d946ec2d88696fd8422aeb64dc29688e6a2c1Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 163659174c0633fb5cde41735cfbff5744bdf837e8d9Douglas Gregor CallExpr::const_arg_iterator ArgEnd, 163759174c0633fb5cde41735cfbff5744bdf837e8d9Douglas Gregor bool ZeroInitialization = false); 1638b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 1639bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall static Destroyer destroyCXXObject; 1640bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 16417267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson void EmitCXXDestructorCall(const CXXDestructorDecl *D, CXXDtorType Type, 1642378e1e739aed97e9b278beeb20e9f5bbe34c0232Douglas Gregor bool ForVirtualBase, bool Delegating, 1643378e1e739aed97e9b278beeb20e9f5bbe34c0232Douglas Gregor llvm::Value *This); 16449cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 1645197056726ed6412501130c2ef2ff69009772aa65John McCall void EmitNewArrayInitializer(const CXXNewExpr *E, QualType elementType, 1646ef8225444452a1486bd721f3285301fe84643b00Stephen Hines llvm::Value *NewPtr, llvm::Value *NumElements, 1647ef8225444452a1486bd721f3285301fe84643b00Stephen Hines llvm::Value *AllocSizeWithoutCookie); 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164986811609d9353e3aed198045d56e790eb3b6118cPeter Collingbourne void EmitCXXTemporary(const CXXTemporary *Temporary, QualType TempType, 165086811609d9353e3aed198045d56e790eb3b6118cPeter Collingbourne llvm::Value *Ptr); 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1652a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson llvm::Value *EmitCXXNewExpr(const CXXNewExpr *E); 165360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson void EmitCXXDeleteExpr(const CXXDeleteExpr *E); 16541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16554bf8152799ec41796f989ea1b94f6f1bac349117Eli Friedman void EmitDeleteCall(const FunctionDecl *DeleteFD, llvm::Value *Ptr, 16564bf8152799ec41796f989ea1b94f6f1bac349117Eli Friedman QualType DeleteTy); 16574bf8152799ec41796f989ea1b94f6f1bac349117Eli Friedman 1658ef8225444452a1486bd721f3285301fe84643b00Stephen Hines RValue EmitBuiltinNewDeleteCall(const FunctionProtoType *Type, 1659ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const Expr *Arg, bool IsDelete); 1660ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 1661c2e84ae9a6d25cea3e583c768e576b4c981ec028Mike Stump llvm::Value* EmitCXXTypeidExpr(const CXXTypeidExpr *E); 1662c849c052d6b4b70f2651c1969531861a5f230053Mike Stump llvm::Value *EmitDynamicCast(llvm::Value *V, const CXXDynamicCastExpr *DCE); 1663c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber llvm::Value* EmitCXXUuidofExpr(const CXXUuidofExpr *E); 1664c2e84ae9a6d25cea3e583c768e576b4c981ec028Mike Stump 16652c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// \brief Situations in which we might emit a check for the suitability of a 16662c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// pointer or glvalue. 16677ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith enum TypeCheckKind { 16682c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Checking the operand of a load. Must be suitably sized and aligned. 16697ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith TCK_Load, 16702c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Checking the destination of a store. Must be suitably sized and aligned. 16717ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith TCK_Store, 16722c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Checking the bound value in a reference binding. Must be suitably sized 16732c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// and aligned, but is not required to refer to an object (until the 16742c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// reference is used), per core issue 453. 16757ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith TCK_ReferenceBinding, 16762c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Checking the object expression in a non-static data member access. Must 16772c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// be an object within its lifetime. 16787ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith TCK_MemberAccess, 16792c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Checking the 'this' pointer for a call to a non-static member function. 16802c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// Must be an object within its lifetime. 16818e1cee6f23e2552b96b81e5ef419ab3f69c5b5c2Richard Smith TCK_MemberCall, 16828e1cee6f23e2552b96b81e5ef419ab3f69c5b5c2Richard Smith /// Checking the 'this' pointer for a constructor call. 1683c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith TCK_ConstructorCall, 1684c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith /// Checking the operand of a static_cast to a derived pointer type. Must be 1685c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith /// null or an object within its lifetime. 1686c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith TCK_DowncastPointer, 1687c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith /// Checking the operand of a static_cast to a derived reference type. Must 1688c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith /// be an object within its lifetime. 1689c764830bdb6de82baed068889096bd3e52d4cbdaRichard Smith TCK_DowncastReference 16902c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith }; 16912c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith 1692ef8225444452a1486bd721f3285301fe84643b00Stephen Hines /// \brief Whether any type-checking sanitizers are enabled. If \c false, 1693ef8225444452a1486bd721f3285301fe84643b00Stephen Hines /// calls to EmitTypeCheck can be skipped. 1694ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool sanitizePerformTypeCheck() const; 1695ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 16967ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith /// \brief Emit a check that \p V is the address of storage of the 16972c9f87ca5cccbfdaad82762368af5b2323320653Richard Smith /// appropriate size and alignment for an object of type \p Type. 16984def70d3040e73707c738f7c366737a986135edfRichard Smith void EmitTypeCheck(TypeCheckKind TCK, SourceLocation Loc, llvm::Value *V, 16997ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith QualType Type, CharUnits Alignment = CharUnits::Zero()); 1700b14e62d5aee7522b98c410ee65bd750c2cfe6f01Mike Stump 1701a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith /// \brief Emit a check that \p Base points into an array object, which 1702a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith /// we can access at index \p Index. \p Accessed should be \c false if we 1703a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith /// this expression is used as an lvalue, for instance in "&Arr[Idx]". 1704a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith void EmitBoundsCheck(const Expr *E, const Expr *Base, llvm::Value *Index, 1705a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith QualType IndexType, bool Accessed); 1706a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith 1707dd36d328730d8c02915d0884541b45ec6ca0049dChris Lattner llvm::Value *EmitScalarPrePostIncDec(const UnaryOperator *E, LValue LV, 1708dd36d328730d8c02915d0884541b45ec6ca0049dChris Lattner bool isInc, bool isPre); 1709dd36d328730d8c02915d0884541b45ec6ca0049dChris Lattner ComplexPairTy EmitComplexPrePostIncDec(const UnaryOperator *E, LValue LV, 1710dd36d328730d8c02915d0884541b45ec6ca0049dChris Lattner bool isInc, bool isPre); 17115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 17125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 17135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 17140dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1715d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitDecl - Emit a declaration. 1716d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 1717d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 17185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 1719d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 1720b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall /// EmitVarDecl - Emit a local variable declaration. 1721d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 1722d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 1723b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall void EmitVarDecl(const VarDecl &D); 1724d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 1725f85e193739c953358c865005855253af4f68a497John McCall void EmitScalarInit(const Expr *init, const ValueDecl *D, 1726a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall LValue lvalue, bool capturedByInit); 17277acddacc921cd0b3f813443a8641eeddb82dfbd4John McCall void EmitScalarInit(llvm::Value *init, LValue lvalue); 1728f85e193739c953358c865005855253af4f68a497John McCall 1729f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall typedef void SpecialInitFn(CodeGenFunction &Init, const VarDecl &D, 1730f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::Value *Address); 1731f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 1732b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall /// EmitAutoVarDecl - Emit an auto variable declaration. 1733d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 1734d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 173534695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall void EmitAutoVarDecl(const VarDecl &D); 173634695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 173734695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall class AutoVarEmission { 173834695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall friend class CodeGenFunction; 173934695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 174057b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall const VarDecl *Variable; 174134695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 174234695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// The alignment of the variable. 174334695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall CharUnits Alignment; 174434695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 174534695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// The address of the alloca. Null if the variable was emitted 174634695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// as a global constant. 174734695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall llvm::Value *Address; 174834695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 174934695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall llvm::Value *NRVOFlag; 175034695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 175134695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// True if the variable is a __block variable. 175234695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall bool IsByRef; 175334695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 175434695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// True if the variable is of aggregate type and has a constant 175534695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// initializer. 175634695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall bool IsConstantAggregate; 175734695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 1758495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem /// Non-null if we should use lifetime annotations. 1759495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem llvm::Value *SizeForLifetimeMarkers; 1760495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 176157b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall struct Invalid {}; 17626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines AutoVarEmission(Invalid) : Variable(nullptr) {} 176357b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall 176434695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall AutoVarEmission(const VarDecl &variable) 17656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Variable(&variable), Address(nullptr), NRVOFlag(nullptr), 1766495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem IsByRef(false), IsConstantAggregate(false), 17676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SizeForLifetimeMarkers(nullptr) {} 176834695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 17696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool wasEmittedAsGlobal() const { return Address == nullptr; } 177034695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 177134695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall public: 177257b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall static AutoVarEmission invalid() { return AutoVarEmission(Invalid()); } 1773495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 17746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bool useLifetimeMarkers() const { 17756bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return SizeForLifetimeMarkers != nullptr; 17766bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 1777495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem llvm::Value *getSizeForLifetimeMarkers() const { 1778495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem assert(useLifetimeMarkers()); 1779495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem return SizeForLifetimeMarkers; 1780495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem } 1781495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem 1782495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem /// Returns the raw, allocated address, which is not necessarily 1783495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem /// the address of the object itself. 1784495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem llvm::Value *getAllocatedAddress() const { 1785495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem return Address; 1786495cfa46300979642acde8d93a1f21c9291dac98Nadav Rotem } 178757b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall 178834695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// Returns the address of the object within this declaration. 178934695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// Note that this does not chase the forwarding pointer for 179034695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall /// __block decls. 179134695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall llvm::Value *getObjectAddress(CodeGenFunction &CGF) const { 179234695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall if (!IsByRef) return Address; 179334695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall 179434695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall return CGF.Builder.CreateStructGEP(Address, 179557b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall CGF.getByRefValueLLVMField(Variable), 179657b3b6a60856eaec30fd876a8a3face8f7e3ad7bJohn McCall Variable->getNameAsString()); 179734695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall } 179834695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall }; 179934695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall AutoVarEmission EmitAutoVarAlloca(const VarDecl &var); 180034695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall void EmitAutoVarInit(const AutoVarEmission &emission); 180134695856c0e67b3765b46304cc71b5d2cd5b71c7John McCall void EmitAutoVarCleanups(const AutoVarEmission &emission); 1802bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall void emitAutoVarTypeCleanup(const AutoVarEmission &emission, 1803bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall QualType::DestructionKind dtorKind); 1804d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 1805b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall void EmitStaticVarDecl(const VarDecl &D, 1806b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall llvm::GlobalValue::LinkageTypes Linkage); 1807b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 1808b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. 1809651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void EmitParmDecl(const VarDecl &D, llvm::Value *Arg, bool ArgIsPointer, 1810651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned ArgNo); 18110dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 181256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// protectFromPeepholes - Protect a value that we're intending to 181356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// store to the side, but which will probably be used later, from 181456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// aggressive peepholing optimizations that might delete it. 181556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// 181656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// Pass the result to unprotectFromPeepholes to declare that 181756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// protection is no longer required. 181856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// 181956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// There's no particular reason why this shouldn't apply to 182056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// l-values, it's just that no existing peepholes work on pointers. 182156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall PeepholeProtection protectFromPeepholes(RValue rvalue); 182256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall void unprotectFromPeepholes(PeepholeProtection protection); 182356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 18255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 18265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 18275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStopPoint - Emit a debug stoppoint if we are emitting debug info. 18290912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitStopPoint(const Stmt *S); 18300912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 18310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStmt - Emit the code for the statement \arg S. It is legal to call 18320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// this function even if there is no current insertion point. 18330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// 18340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function may clear the current insertion point; callers should use 18350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint if they wish to subsequently generate code without first 18360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calling EmitBlock, EmitBranch, or EmitStmt. 18375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 1838a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 18390912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// EmitSimpleStmt - Try to emit a "simple" statement which does not 18400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessarily require an insertion point or debug information; typically 18410dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// because the statement amounts to a jump or a container of other 18420dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// statements. 18430912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// 18440912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// \return True if the statement was handled. 18450912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar bool EmitSimpleStmt(const Stmt *S); 18460912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 18472ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman llvm::Value *EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 18482ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman AggValueSlot AVS = AggValueSlot::ignored()); 18492ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman llvm::Value *EmitCompoundStmtWithoutScope(const CompoundStmt &S, 18502ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman bool GetLast = false, 18512ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman AggValueSlot AVS = 18522ac2fa7726eb2f6fe445e098489e92931c31f7caEli Friedman AggValueSlot::ignored()); 1853a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 18540dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitLabel - Emit the block for the given label. It is legal to call this 18550dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// function even if there is no current insertion point. 1856ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void EmitLabel(const LabelDecl *D); // helper for EmitLabelStmt. 1857a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 1859534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith void EmitAttributedStmt(const AttributedStmt &S); 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 18610ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectGotoStmt(const IndirectGotoStmt &S); 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 1863ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 1864ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitCondBrHints(llvm::LLVMContext &Context, llvm::BranchInst *CondBr, 1865ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const ArrayRef<const Attr *> &Attrs); 1866ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitWhileStmt(const WhileStmt &S, 1867ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const ArrayRef<const Attr *> &Attrs = None); 1868ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitDoStmt(const DoStmt &S, const ArrayRef<const Attr *> &Attrs = None); 1869ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitForStmt(const ForStmt &S, 1870ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const ArrayRef<const Attr *> &Attrs = None); 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 18730912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitBreakStmt(const BreakStmt &S); 18740912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitContinueStmt(const ContinueStmt &S); 187551b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 187651b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 187751b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 1878c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 1879a23b91d542e336be5051ac54f394e860fb756911Chad Rosier void EmitAsmStmt(const AsmStmt &S); 18800dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 18813d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); 188264d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); 188364d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); 188410cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S); 1885f85e193739c953358c865005855253af4f68a497John McCall void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S); 18860dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 188759a7000a79118e4c140885ccbb2ac6a686a73092John McCall void EnterCXXTryStmt(const CXXTryStmt &S, bool IsFnTryBlock = false); 188859a7000a79118e4c140885ccbb2ac6a686a73092John McCall void ExitCXXTryStmt(const CXXTryStmt &S, bool IsFnTryBlock = false); 18899fc6a7774643a810c8501dae2323e863fefb623eJohn McCall 18906815e941998659a55c20c147861b0f437928c3d8Anders Carlsson void EmitCXXTryStmt(const CXXTryStmt &S); 189198592d9c4dff79480fdc25b83988de03f912b647Reid Kleckner void EmitSEHTryStmt(const SEHTryStmt &S); 1892ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitSEHLeaveStmt(const SEHLeaveStmt &S); 1893ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitCXXForRangeStmt(const CXXForRangeStmt &S, 1894ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const ArrayRef<const Attr *> &Attrs = None); 18959cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 1896524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir llvm::Function *EmitCapturedStmt(const CapturedStmt &S, CapturedRegionKind K); 1897ef8225444452a1486bd721f3285301fe84643b00Stephen Hines llvm::Function *GenerateCapturedStmtFunction(const CapturedStmt &S); 18986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Value *GenerateCapturedStmtArgument(const CapturedStmt &S); 18996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 19006bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void EmitOMPParallelDirective(const OMPParallelDirective &S); 19016bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void EmitOMPSimdDirective(const OMPSimdDirective &S); 1902ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPForDirective(const OMPForDirective &S); 1903ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPSectionsDirective(const OMPSectionsDirective &S); 1904ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPSectionDirective(const OMPSectionDirective &S); 1905ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPSingleDirective(const OMPSingleDirective &S); 1906ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPParallelForDirective(const OMPParallelForDirective &S); 1907ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitOMPParallelSectionsDirective(const OMPParallelSectionsDirective &S); 1908524387ae3dfc0c4cf2b095f83f9e47aa549b7e55Ben Langmuir 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 19105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 19125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 191313e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar /// GetUndefRValue - Get an appropriate 'undef' rvalue for the given type. 191413e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar RValue GetUndefRValue(QualType Ty); 191513e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar 1916ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// EmitUnsupportedRValue - Emit a dummy r-value using the type of E 1917ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// and issue an ErrorUnsupported style diagnostic (using the 1918ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// provided Name). 1919ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar RValue EmitUnsupportedRValue(const Expr *E, 1920ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar const char *Name); 1921ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar 19220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E and issue 19230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an ErrorUnsupported style diagnostic (using the provided Name). 19246ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar LValue EmitUnsupportedLValue(const Expr *E, 19256ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar const char *Name); 19266ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar 19275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 19295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 19345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 19355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 19365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 19375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 19385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 19440dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 19457ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith /// \brief Same as EmitLValue but additionally we generate checking code to 19467ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith /// guard against undefined behavior. This is only suitable when we know 19477ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith /// that the address will be used to access the object. 19487ac9ef1c82c779a5348ed11b3d10e01c58803b35Richard Smith LValue EmitCheckedLValue(const Expr *E, TypeCheckKind TCK); 1949b14e62d5aee7522b98c410ee65bd750c2cfe6f01Mike Stump 19504ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky RValue convertTempToRValue(llvm::Value *addr, QualType type, 19514ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation Loc); 19529d232c884ea9872d6555df0fd7359699819bc1f1John McCall 19539eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall void EmitAtomicInit(Expr *E, LValue lvalue); 19549eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall 19554ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky RValue EmitAtomicLoad(LValue lvalue, SourceLocation loc, 19569eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall AggValueSlot slot = AggValueSlot::ignored()); 19579eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall 19589eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall void EmitAtomicStore(RValue rvalue, LValue lvalue, bool isInit); 19599eda3abe7e183b05834947391c0cdc291f4ee0d8John McCall 196026815d97c5743481e317f17a8d53a6819d061862John McCall /// EmitToMemory - Change a scalar value from its value 196126815d97c5743481e317f17a8d53a6819d061862John McCall /// representation to its in-memory representation. 196226815d97c5743481e317f17a8d53a6819d061862John McCall llvm::Value *EmitToMemory(llvm::Value *Value, QualType Ty); 196326815d97c5743481e317f17a8d53a6819d061862John McCall 196426815d97c5743481e317f17a8d53a6819d061862John McCall /// EmitFromMemory - Change a scalar value from its memory 196526815d97c5743481e317f17a8d53a6819d061862John McCall /// representation to its value representation. 196626815d97c5743481e317f17a8d53a6819d061862John McCall llvm::Value *EmitFromMemory(llvm::Value *Value, QualType Ty); 196726815d97c5743481e317f17a8d53a6819d061862John McCall 19689d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitLoadOfScalar - Load a scalar value from an address, taking 19699d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 19709d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 197109429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump llvm::Value *EmitLoadOfScalar(llvm::Value *Addr, bool Volatile, 19723d5aff5d3036b0ff09d114857cd2276134b3d8c9Dan Gohman unsigned Alignment, QualType Ty, 19734ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation Loc, 19746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::MDNode *TBAAInfo = nullptr, 1975b37a73d5c6a0c8bb1f6e363d3b53980e4fa0ceadManman Ren QualType TBAABaseTy = QualType(), 1976b37a73d5c6a0c8bb1f6e363d3b53980e4fa0ceadManman Ren uint64_t TBAAOffset = 0); 1977545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall 1978545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// EmitLoadOfScalar - Load a scalar value from an address, taking 1979545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// care to appropriately convert from the memory representation to 1980545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// the LLVM value representation. The l-value must be a simple 1981545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// l-value. 19824ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky llvm::Value *EmitLoadOfScalar(LValue lvalue, SourceLocation Loc); 19839d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 19849d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitStoreOfScalar - Store a scalar value to an address, taking 19859d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 19869d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 198709429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump void EmitStoreOfScalar(llvm::Value *Value, llvm::Value *Addr, 19883d5aff5d3036b0ff09d114857cd2276134b3d8c9Dan Gohman bool Volatile, unsigned Alignment, QualType Ty, 19896bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::MDNode *TBAAInfo = nullptr, bool isInit = false, 1990b37a73d5c6a0c8bb1f6e363d3b53980e4fa0ceadManman Ren QualType TBAABaseTy = QualType(), 1991b37a73d5c6a0c8bb1f6e363d3b53980e4fa0ceadManman Ren uint64_t TBAAOffset = 0); 1992545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall 1993545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// EmitStoreOfScalar - Store a scalar value to an address, taking 1994545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// care to appropriately convert from the memory representation to 1995545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall /// the LLVM value representation. The l-value must be a simple 19967a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall /// l-value. The isInit flag indicates whether this is an initialization. 19977a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall /// If so, atomic qualifiers are ignored and the store is always non-atomic. 19987a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall void EmitStoreOfScalar(llvm::Value *value, LValue lvalue, bool isInit=false); 19999d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 20005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 20034ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky RValue EmitLoadOfLValue(LValue V, SourceLocation Loc); 2004545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall RValue EmitLoadOfExtVectorElementLValue(LValue V); 2005545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall RValue EmitLoadOfBitfieldLValue(LValue LV); 20066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines RValue EmitLoadOfGlobalRegLValue(LValue LV); 20070dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 20095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 20117a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall void EmitStoreThroughLValue(RValue Src, LValue Dst, bool isInit=false); 2012545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst); 20136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void EmitStoreThroughGlobalRegLValue(RValue Src, LValue Dst); 2014ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar 20154ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky /// EmitStoreThroughBitfieldLValue - Store Src into Dst with same constraints 20164ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky /// as EmitStoreThroughLValue. 2017ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar /// 20180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// \param Result [out] - If non-null, this will be set to a Value* for the 20190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// bit-field contents after the store, appropriate for use as the result of 20200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an assignment to the bit-field. 2021545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, 20226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Value **Result=nullptr); 20230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 202483ce9d4a552987d34cbd500e983db8d770232379John McCall /// Emit an l-value for an assignment (simple or compound) of complex type. 202583ce9d4a552987d34cbd500e983db8d770232379John McCall LValue EmitComplexAssignmentLValue(const BinaryOperator *E); 20262a41637a995affa1563f4d82a8b026e326a2faa0John McCall LValue EmitComplexCompoundAssignmentLValue(const CompoundAssignOperator *E); 20270934e18b620ecaa6c7ec18ba5c4286b6122d6fb8Eli Friedman LValue EmitScalarCompooundAssignWithComplex(const CompoundAssignOperator *E, 20280934e18b620ecaa6c7ec18ba5c4286b6122d6fb8Eli Friedman llvm::Value *&Result); 202983ce9d4a552987d34cbd500e983db8d770232379John McCall 2030fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // Note: only available for agg return types 203180e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar LValue EmitBinaryOperatorLValue(const BinaryOperator *E); 20322a41637a995affa1563f4d82a8b026e326a2faa0John McCall LValue EmitCompoundAssignmentLValue(const CompoundAssignOperator *E); 20335b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 203422c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 20355b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 20365b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar LValue EmitVAArgExprLValue(const VAArgExpr *E); 20375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 20386bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines LValue EmitReadRegister(const VarDecl *VD); 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 2040eaf2bb89eb2aad3b80673de30febe52df43c10ecChris Lattner LValue EmitObjCEncodeExprLValue(const ObjCEncodeExpr *E); 2041d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner LValue EmitPredefinedLValue(const PredefinedExpr *E); 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 2043a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E, 2044a0a628f839cf50844cc0f226bd9cb72485f98f91Richard Smith bool Accessed = false); 2045213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 2046b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 2047820bca41c3899374775d2a1dfc2ef2e22aaf1c7bFariborz Jahanian LValue EmitObjCIsaExpr(const ObjCIsaExpr *E); 204806e863f2902b8ba55b056308875c19f7ba3dab25Eli Friedman LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); 204913ec9100ca6bc03b5ce8832e4a0fcb724d47bcb1Richard Smith LValue EmitInitListLValue(const InitListExpr *E); 205056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall LValue EmitConditionalOperatorLValue(const AbstractConditionalOperator *E); 205175dfedaf702822c9e51a4f3c5d3ecf2d2ad99272Chris Lattner LValue EmitCastLValue(const CastExpr *E); 205203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor LValue EmitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *E); 2053e996ffd240f20a1048179d7727a6ee3227261921John McCall LValue EmitOpaqueValueLValue(const OpaqueValueExpr *e); 20549cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 20554ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky RValue EmitRValueForField(LValue LV, const FieldDecl *FD, SourceLocation Loc); 2056eaf856db5d1a272dc7188937206ef4572836f82aAnton Korobeynikov 2057dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall class ConstantEmission { 2058dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall llvm::PointerIntPair<llvm::Constant*, 1, bool> ValueAndIsReference; 2059dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall ConstantEmission(llvm::Constant *C, bool isReference) 2060dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall : ValueAndIsReference(C, isReference) {} 2061dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall public: 2062dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall ConstantEmission() {} 2063dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall static ConstantEmission forReference(llvm::Constant *C) { 2064dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall return ConstantEmission(C, true); 2065dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall } 2066dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall static ConstantEmission forValue(llvm::Constant *C) { 2067dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall return ConstantEmission(C, false); 2068dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall } 2069dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall 20706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines LLVM_EXPLICIT operator bool() const { 20716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return ValueAndIsReference.getOpaqueValue() != nullptr; 20726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2073dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall 2074dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall bool isReference() const { return ValueAndIsReference.getInt(); } 2075dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall LValue getReferenceLValue(CodeGenFunction &CGF, Expr *refExpr) const { 2076dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall assert(isReference()); 2077dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall return CGF.MakeNaturalAlignAddrLValue(ValueAndIsReference.getPointer(), 2078dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall refExpr->getType()); 2079dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall } 2080dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall 2081dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall llvm::Constant *getValue() const { 2082dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall assert(!isReference()); 2083dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall return ValueAndIsReference.getPointer(); 2084dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall } 2085dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall }; 2086dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall 2087f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ConstantEmission tryEmitAsConstant(DeclRefExpr *refExpr); 2088dd2ecee313b558a9b621ec003b45e0fbc83508d7John McCall 20894b9c2d235fb9449e249d74f48ecfec601650de93John McCall RValue EmitPseudoObjectRValue(const PseudoObjectExpr *e, 20904b9c2d235fb9449e249d74f48ecfec601650de93John McCall AggValueSlot slot = AggValueSlot::ignored()); 20914b9c2d235fb9449e249d74f48ecfec601650de93John McCall LValue EmitPseudoObjectLValue(const PseudoObjectExpr *e); 20924b9c2d235fb9449e249d74f48ecfec601650de93John McCall 20932a03192a02dbf4fdff438d1e658356bde871aba4Daniel Dunbar llvm::Value *EmitIvarOffset(const ObjCInterfaceDecl *Interface, 209429e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar const ObjCIvarDecl *Ivar); 2095377ecc7996dce6803f7b7b6208cab5e197c9c5b8Eli Friedman LValue EmitLValueForField(LValue Base, const FieldDecl* Field); 2096f5ebf9bf1df10ac15ba32a4b24dfe171b7848c58John McCall LValue EmitLValueForLambdaField(const FieldDecl *Field); 20979cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 209806a2970e9480c6d02b367b2f970baff29b9f9721Anders Carlsson /// EmitLValueForFieldInitialization - Like EmitLValueForField, except that 209906a2970e9480c6d02b367b2f970baff29b9f9721Anders Carlsson /// if the Field is a reference, this will return the address of the reference 210006a2970e9480c6d02b367b2f970baff29b9f9721Anders Carlsson /// and not the address of the value stored in the reference. 2101377ecc7996dce6803f7b7b6208cab5e197c9c5b8Eli Friedman LValue EmitLValueForFieldInitialization(LValue Base, 2102377ecc7996dce6803f7b7b6208cab5e197c9c5b8Eli Friedman const FieldDecl* Field); 21039cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 210445012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian LValue EmitLValueForIvar(QualType ObjectTy, 210545012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian llvm::Value* Base, const ObjCIvarDecl *Ivar, 210629e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar unsigned CVRQualifiers); 2107fd64bb635dc221baa19f81d5d2a084f7eb269f7fFariborz Jahanian 2108b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson LValue EmitCXXConstructLValue(const CXXConstructExpr *E); 2109e61c9e80a108b5db7e5f0e702f0e455d737c6390Anders Carlsson LValue EmitCXXBindTemporaryLValue(const CXXBindTemporaryExpr *E); 211031a3702618ab49578542cffee20ba0c8859b9d1eEli Friedman LValue EmitLambdaLValue(const LambdaExpr *E); 2111c2e84ae9a6d25cea3e583c768e576b4c981ec028Mike Stump LValue EmitCXXTypeidLValue(const CXXTypeidExpr *E); 2112c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber LValue EmitCXXUuidofLValue(const CXXUuidofExpr *E); 21139cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 21140a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); 2115391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 2116654599454c8e6cc83b1b9b3af43c49c2f66a26cbChris Lattner LValue EmitStmtExprLValue(const StmtExpr *E); 21178bfd31f9dad09cd52225d868bbd92a9bebe87775Fariborz Jahanian LValue EmitPointerToDataMemberBinaryExpr(const BinaryOperator *E); 211803b2960c14aede6ac82bdef32247094ebb72fa69Fariborz Jahanian LValue EmitObjCSelectorLValue(const ObjCSelectorExpr *E); 21193b8e0b7f96164e8c49d2a833da26edd960f5da1fYunzhong Gao void EmitDeclRefExprDbgValue(const DeclRefExpr *E, llvm::Constant *Init); 212056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 21215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2122883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21250dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitCall - Generate a call of the given function, expecting the given 21260dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// result type, and using the given argument list which specifies both the 21270dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM arguments and the types they were derived from. 2128c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// 2129f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// \param TargetDecl - If given, the decl of the function in a direct call; 2130f71d232ce5354bd2f0c94ded30fb936c2a3d968bMike Stump /// used to set attributes on the call (noreturn, etc.). 213188b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar RValue EmitCall(const CGFunctionInfo &FnInfo, 213288b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Value *Callee, 2133f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson ReturnValueSlot ReturnValue, 2134c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar const CallArgList &Args, 21356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const Decl *TargetDecl = nullptr, 21366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Instruction **callOrInvoke = nullptr); 21371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 213831777a2540879051a3c643b90e02c3fd3d315243Anders Carlsson RValue EmitCall(QualType FnType, llvm::Value *Callee, 2139b914e87377fd4d7642f544000a79f8648c6f06c9Peter Collingbourne SourceLocation CallLoc, 2140d2490a91341b57df7a7e54f8a707e7ecde2eeb4eAnders Carlsson ReturnValueSlot ReturnValue, 2141986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgBeg, 2142986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgEnd, 21436bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const Decl *TargetDecl = nullptr); 21449cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer RValue EmitCallExpr(const CallExpr *E, 2145d2490a91341b57df7a7e54f8a707e7ecde2eeb4eAnders Carlsson ReturnValueSlot ReturnValue = ReturnValueSlot()); 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2147bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallInst *EmitRuntimeCall(llvm::Value *callee, 2148bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2149bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallInst *EmitRuntimeCall(llvm::Value *callee, 2150bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall ArrayRef<llvm::Value*> args, 2151bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2152bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallInst *EmitNounwindRuntimeCall(llvm::Value *callee, 2153bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2154bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallInst *EmitNounwindRuntimeCall(llvm::Value *callee, 2155bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall ArrayRef<llvm::Value*> args, 2156bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2157bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall 2158f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall llvm::CallSite EmitCallOrInvoke(llvm::Value *Callee, 21592d3ba4f5a923a90c3fc290ddfba5e36c2d0a9b46Chris Lattner ArrayRef<llvm::Value *> Args, 21608cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner const Twine &Name = ""); 21614c7d9f1507d0f102bd4133bba63348636facd469Jay Foad llvm::CallSite EmitCallOrInvoke(llvm::Value *Callee, 21628cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner const Twine &Name = ""); 2163bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallSite EmitRuntimeCallOrInvoke(llvm::Value *callee, 2164bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall ArrayRef<llvm::Value*> args, 2165bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2166bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall llvm::CallSite EmitRuntimeCallOrInvoke(llvm::Value *callee, 2167bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall const Twine &name = ""); 2168bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall void EmitNoreturnRuntimeCallOrInvoke(llvm::Value *callee, 2169bd7370a78604e9a20d698bfe328c1e43f12a0613John McCall ArrayRef<llvm::Value*> args); 2170f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 21712726267f094a0c1f5ac5b501ec5a9898c58876bfFariborz Jahanian llvm::Value *BuildAppleKextVirtualCall(const CXXMethodDecl *MD, 21722726267f094a0c1f5ac5b501ec5a9898c58876bfFariborz Jahanian NestedNameSpecifier *Qual, 21732acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::Type *Ty); 2174ccd5259d33cbbdd6f5fbf7ccab4cb4a2702309eaFariborz Jahanian 2175ccd5259d33cbbdd6f5fbf7ccab4cb4a2702309eaFariborz Jahanian llvm::Value *BuildAppleKextVirtualDestructorCall(const CXXDestructorDecl *DD, 2176ccd5259d33cbbdd6f5fbf7ccab4cb4a2702309eaFariborz Jahanian CXXDtorType Type, 2177771c678c04f5f685b4f188ec6c2fd88ad0f7457fFariborz Jahanian const CXXRecordDecl *RD); 2178566abee1e9828a7700b51e4d17ea08234fde3bb4Anders Carlsson 2179b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson RValue EmitCXXMemberCall(const CXXMethodDecl *MD, 21804def70d3040e73707c738f7c366737a986135edfRichard Smith SourceLocation CallLoc, 2181b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *Callee, 2182a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson ReturnValueSlot ReturnValue, 2183b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *This, 218459660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov llvm::Value *ImplicitParam, 218559660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov QualType ImplicitParamTy, 2186b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 2187b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 2188a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson RValue EmitCXXMemberCallExpr(const CXXMemberCallExpr *E, 2189a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson ReturnValueSlot ReturnValue); 2190a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson RValue EmitCXXMemberPointerCallExpr(const CXXMemberCallExpr *E, 2191a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson ReturnValueSlot ReturnValue); 21925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 2193a2447e0d1e28669cd637204a871f15b1215277fdAnders Carlsson llvm::Value *EmitCXXOperatorMemberCallee(const CXXOperatorCallExpr *E, 2194a2447e0d1e28669cd637204a871f15b1215277fdAnders Carlsson const CXXMethodDecl *MD, 2195a2447e0d1e28669cd637204a871f15b1215277fdAnders Carlsson llvm::Value *This); 21960f294632f36459174199b77699e339715244b5abAnders Carlsson RValue EmitCXXOperatorMemberCallExpr(const CXXOperatorCallExpr *E, 2197a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson const CXXMethodDecl *MD, 2198a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson ReturnValueSlot ReturnValue); 21991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22006c0aa5ff6e6253db0f993053599e2a52b5b93b2dPeter Collingbourne RValue EmitCUDAKernelCallExpr(const CUDAKernelCallExpr *E, 22016c0aa5ff6e6253db0f993053599e2a52b5b93b2dPeter Collingbourne ReturnValueSlot ReturnValue); 22026c0aa5ff6e6253db0f993053599e2a52b5b93b2dPeter Collingbourne 22039cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 22041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue EmitBuiltinExpr(const FunctionDecl *FD, 2205ef2abfee3ea16ec74942dc09e9e425f46aeb2582Daniel Dunbar unsigned BuiltinID, const CallExpr *E); 22065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2207a1736c0c750d4514a5d8fda36670addf1e4de54aAnders Carlsson RValue EmitBlockCallExpr(const CallExpr *E, ReturnValueSlot ReturnValue); 220809429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 22090dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitTargetBuiltinExpr - Emit the given builtin call. Returns 0 if the call 22100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is unhandled by the current target. 2211f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 2212f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar 22138137a607eebe799d95fd05226fb91119a5b054b0Kevin Qin llvm::Value *EmitAArch64CompareBuiltinExpr(llvm::Value *Op, llvm::Type *Ty, 22148137a607eebe799d95fd05226fb91119a5b054b0Kevin Qin const llvm::CmpInst::Predicate Fp, 22158137a607eebe799d95fd05226fb91119a5b054b0Kevin Qin const llvm::CmpInst::Predicate Ip, 22168137a607eebe799d95fd05226fb91119a5b054b0Kevin Qin const llvm::Twine &Name = ""); 22172752c0137d95aa2f4ee1cdff4b564bac842e041bChris Lattner llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 2218651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2219651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *EmitCommonNeonBuiltinExpr(unsigned BuiltinID, 2220651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned LLVMIntrinsic, 2221651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned AltLLVMIntrinsic, 2222651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const char *NameHint, 2223651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned Modifier, 2224651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const CallExpr *E, 2225651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SmallVectorImpl<llvm::Value *> &Ops, 22266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Value *Align = nullptr); 2227651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Function *LookupNeonLLVMIntrinsic(unsigned IntrinsicID, 2228651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned Modifier, llvm::Type *ArgTy, 2229651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const CallExpr *E); 22309cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer llvm::Value *EmitNeonCall(llvm::Function *F, 2231686775deca8b8685eb90801495880e3abdd844c2Chris Lattner SmallVectorImpl<llvm::Value*> &O, 2232db3d4d036037f379f12643e067b229862d61e932Bob Wilson const char *name, 223361eecf5aea018ea65c9ab0bccacd2996b15c632dNate Begeman unsigned shift = 0, bool rightshift = false); 2234cf55652cf668c1402eee0b12edd2e5a1bc34d7a1Bob Wilson llvm::Value *EmitNeonSplat(llvm::Value *V, llvm::Constant *Idx); 22352acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner llvm::Value *EmitNeonShiftVector(llvm::Value *V, llvm::Type *Ty, 223661eecf5aea018ea65c9ab0bccacd2996b15c632dNate Begeman bool negateForRightShift); 22377f0ff70c391afeb7811b7ddcb06bfbbd5c6cf8f9Amaury de la Vieuville llvm::Value *EmitNeonRShiftImm(llvm::Value *Vec, llvm::Value *Amt, 22387f0ff70c391afeb7811b7ddcb06bfbbd5c6cf8f9Amaury de la Vieuville llvm::Type *Ty, bool usgn, const char *name); 22396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // Helper functions for EmitAArch64BuiltinExpr. 2240651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *vectorWrapScalar8(llvm::Value *Op); 2241651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *vectorWrapScalar16(llvm::Value *Op); 2242651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *emitVectorWrappedScalar8Intrinsic( 2243651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned Int, SmallVectorImpl<llvm::Value *> &Ops, const char *Name); 2244651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *emitVectorWrappedScalar16Intrinsic( 2245651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned Int, SmallVectorImpl<llvm::Value *> &Ops, const char *Name); 22466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::Value *EmitAArch64BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 2247651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Value *EmitNeon64Call(llvm::Function *F, 2248651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::SmallVectorImpl<llvm::Value *> &O, 2249651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const char *name); 22509cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 2251795b10062c2eaffae9e04241fb1a73cdbcb24a37Bill Wendling llvm::Value *BuildVector(ArrayRef<llvm::Value*> Ops); 2252564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 2253564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 2254ef8225444452a1486bd721f3285301fe84643b00Stephen Hines llvm::Value *EmitR600BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 22550dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2256ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); 22577f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 2258eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard llvm::Value *EmitObjCBoxedExpr(const ObjCBoxedExpr *E); 2259ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek llvm::Value *EmitObjCArrayLiteral(const ObjCArrayLiteral *E); 2260ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek llvm::Value *EmitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E); 2261ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek llvm::Value *EmitObjCCollectionLiteral(const Expr *E, 2262ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek const ObjCMethodDecl *MethodWithObjects); 22638fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); 2264ef072fd2f3347cfd857d6eb787b245b950771430John McCall RValue EmitObjCMessageExpr(const ObjCMessageExpr *E, 2265ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return = ReturnValueSlot()); 22668fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 2267f85e193739c953358c865005855253af4f68a497John McCall /// Retrieves the default cleanup kind for an ARC cleanup. 2268f85e193739c953358c865005855253af4f68a497John McCall /// Except under -fobjc-arc-eh, ARC cleanups are normal-only. 2269f85e193739c953358c865005855253af4f68a497John McCall CleanupKind getARCCleanupKind() { 2270f85e193739c953358c865005855253af4f68a497John McCall return CGM.getCodeGenOpts().ObjCAutoRefCountExceptions 2271f85e193739c953358c865005855253af4f68a497John McCall ? NormalAndEHCleanup : NormalCleanup; 2272f85e193739c953358c865005855253af4f68a497John McCall } 2273f85e193739c953358c865005855253af4f68a497John McCall 2274f85e193739c953358c865005855253af4f68a497John McCall // ARC primitives. 2275f85e193739c953358c865005855253af4f68a497John McCall void EmitARCInitWeak(llvm::Value *value, llvm::Value *addr); 2276f85e193739c953358c865005855253af4f68a497John McCall void EmitARCDestroyWeak(llvm::Value *addr); 2277f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCLoadWeak(llvm::Value *addr); 2278f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCLoadWeakRetained(llvm::Value *addr); 2279f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCStoreWeak(llvm::Value *value, llvm::Value *addr, 2280f85e193739c953358c865005855253af4f68a497John McCall bool ignored); 2281f85e193739c953358c865005855253af4f68a497John McCall void EmitARCCopyWeak(llvm::Value *dst, llvm::Value *src); 2282f85e193739c953358c865005855253af4f68a497John McCall void EmitARCMoveWeak(llvm::Value *dst, llvm::Value *src); 2283f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainAutorelease(QualType type, llvm::Value *value); 2284f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainAutoreleaseNonBlock(llvm::Value *value); 2285545d996ec5a3113f046944f11b27cc2d6cb055b4John McCall llvm::Value *EmitARCStoreStrong(LValue lvalue, llvm::Value *value, 22865b07e8077a20b80fee90bd76c43c6150c676e4a8John McCall bool resultIgnored); 2287f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCStoreStrongCall(llvm::Value *addr, llvm::Value *value, 22885b07e8077a20b80fee90bd76c43c6150c676e4a8John McCall bool resultIgnored); 2289f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetain(QualType type, llvm::Value *value); 2290f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainNonBlock(llvm::Value *value); 2291348f16fc7c71f0d9b651cb79fd1012843073493fJohn McCall llvm::Value *EmitARCRetainBlock(llvm::Value *value, bool mandatory); 22925b07e8077a20b80fee90bd76c43c6150c676e4a8John McCall void EmitARCDestroyStrong(llvm::Value *addr, ARCPreciseLifetime_t precise); 22935b07e8077a20b80fee90bd76c43c6150c676e4a8John McCall void EmitARCRelease(llvm::Value *value, ARCPreciseLifetime_t precise); 2294f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCAutorelease(llvm::Value *value); 2295f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCAutoreleaseReturnValue(llvm::Value *value); 2296f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainAutoreleaseReturnValue(llvm::Value *value); 2297f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainAutoreleasedReturnValue(llvm::Value *value); 2298f85e193739c953358c865005855253af4f68a497John McCall 2299f85e193739c953358c865005855253af4f68a497John McCall std::pair<LValue,llvm::Value*> 2300f85e193739c953358c865005855253af4f68a497John McCall EmitARCStoreAutoreleasing(const BinaryOperator *e); 2301f85e193739c953358c865005855253af4f68a497John McCall std::pair<LValue,llvm::Value*> 2302f85e193739c953358c865005855253af4f68a497John McCall EmitARCStoreStrong(const BinaryOperator *e, bool ignored); 2303f85e193739c953358c865005855253af4f68a497John McCall 23042b014d6c0c6b8ac94b416ac37dfc7931f20777a7John McCall llvm::Value *EmitObjCThrowOperand(const Expr *expr); 23052b014d6c0c6b8ac94b416ac37dfc7931f20777a7John McCall 2306f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitObjCProduceObject(QualType T, llvm::Value *Ptr); 2307f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitObjCConsumeObject(QualType T, llvm::Value *Ptr); 2308f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitObjCExtendObjectLifetime(QualType T, llvm::Value *Ptr); 2309f85e193739c953358c865005855253af4f68a497John McCall 2310348f16fc7c71f0d9b651cb79fd1012843073493fJohn McCall llvm::Value *EmitARCExtendBlockObject(const Expr *expr); 2311f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainScalarExpr(const Expr *expr); 2312f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitARCRetainAutoreleaseScalarExpr(const Expr *expr); 2313f85e193739c953358c865005855253af4f68a497John McCall 2314ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void EmitARCIntrinsicUse(ArrayRef<llvm::Value*> values); 2315b6a6079449a5275c283982e19b0c38e165833bb2John McCall 2316bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall static Destroyer destroyARCStrongImprecise; 2317bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall static Destroyer destroyARCStrongPrecise; 2318bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall static Destroyer destroyARCWeak; 2319bdc4d80956c83a486e58d3df6bb524a1f66ff574John McCall 2320f85e193739c953358c865005855253af4f68a497John McCall void EmitObjCAutoreleasePoolPop(llvm::Value *Ptr); 2321f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitObjCAutoreleasePoolPush(); 2322f85e193739c953358c865005855253af4f68a497John McCall llvm::Value *EmitObjCMRRAutoreleasePoolPush(); 2323f85e193739c953358c865005855253af4f68a497John McCall void EmitObjCAutoreleasePoolCleanup(llvm::Value *Ptr); 2324f85e193739c953358c865005855253af4f68a497John McCall void EmitObjCMRRAutoreleasePoolPop(llvm::Value *Ptr); 2325f85e193739c953358c865005855253af4f68a497John McCall 2326d4ec562b3aaf50ea9015f82c96ebfd05a35fc7efRichard Smith /// \brief Emits a reference binding to the passed in expression. 2327d4ec562b3aaf50ea9015f82c96ebfd05a35fc7efRichard Smith RValue EmitReferenceBindingToExpr(const Expr *E); 23283aba09376c5f49c4c8d176109ea4835bc2c528eeAnders Carlsson 2329883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 2330bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 2331883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 2332bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 2333bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 23340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 23350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitScalarExpr - Emit the computation of the specified expression of LLVM 23360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// scalar type, returning the result. 233714c5cbf59cffee52275230922283a247de407712Anders Carlsson llvm::Value *EmitScalarExpr(const Expr *E , bool IgnoreResultAssign = false); 23380dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 23393707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 23403707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 23413707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 23423707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 23430dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 23444f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 23450dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// complex type to the specified destination type, where the destination type 23460dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is an LLVM scalar type. 23474f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 23484f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 23490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 23500dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2351558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// EmitAggExpr - Emit the computation of the specified expression 2352558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// of aggregate type. The result is computed into the given slot, 2353558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// which may be null to indicate that the value is not needed. 2354e0c1168ec7910a1a7ed08df4d4f0c58c2fa2ecd1John McCall void EmitAggExpr(const Expr *E, AggValueSlot AS); 23550dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 235618aba0dd518e486d8b50523e7dafb4b5657135d2Daniel Dunbar /// EmitAggExprToLValue - Emit the computation of the specified expression of 235718aba0dd518e486d8b50523e7dafb4b5657135d2Daniel Dunbar /// aggregate type into a temporary LValue. 235818aba0dd518e486d8b50523e7dafb4b5657135d2Daniel Dunbar LValue EmitAggExprToLValue(const Expr *E); 235918aba0dd518e486d8b50523e7dafb4b5657135d2Daniel Dunbar 2360082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// EmitGCMemmoveCollectable - Emit special API for structs with object 2361082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// pointers. 2362082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian void EmitGCMemmoveCollectable(llvm::Value *DestPtr, llvm::Value *SrcPtr, 236308c321380fff07d476a19daab6d29522c046cd49Fariborz Jahanian QualType Ty); 2364082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian 23650c24c808e4dce43e88abf2d5f98546b901bd4315John McCall /// EmitExtendGCLifetime - Given a pointer to an Objective-C object, 23660c24c808e4dce43e88abf2d5f98546b901bd4315John McCall /// make sure it survives garbage collection until this point. 23670c24c808e4dce43e88abf2d5f98546b901bd4315John McCall void EmitExtendGCLifetime(llvm::Value *object); 23680c24c808e4dce43e88abf2d5f98546b901bd4315John McCall 2369b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 237023b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 2371b418d74c11498b7e1044103131e2e3be4d63512eJohn McCall ComplexPairTy EmitComplexExpr(const Expr *E, 2372b418d74c11498b7e1044103131e2e3be4d63512eJohn McCall bool IgnoreReal = false, 2373b418d74c11498b7e1044103131e2e3be4d63512eJohn McCall bool IgnoreImag = false); 23740dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 23759d232c884ea9872d6555df0fd7359699819bc1f1John McCall /// EmitComplexExprIntoLValue - Emit the given expression of complex 23769d232c884ea9872d6555df0fd7359699819bc1f1John McCall /// type and place its result into the specified l-value. 23779d232c884ea9872d6555df0fd7359699819bc1f1John McCall void EmitComplexExprIntoLValue(const Expr *E, LValue dest, bool isInit); 23789d232c884ea9872d6555df0fd7359699819bc1f1John McCall 23799d232c884ea9872d6555df0fd7359699819bc1f1John McCall /// EmitStoreOfComplex - Store a complex number into the specified l-value. 23809d232c884ea9872d6555df0fd7359699819bc1f1John McCall void EmitStoreOfComplex(ComplexPairTy V, LValue dest, bool isInit); 23817f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar 23829d232c884ea9872d6555df0fd7359699819bc1f1John McCall /// EmitLoadOfComplex - Load a complex number from the specified l-value. 23834ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky ComplexPairTy EmitLoadOfComplex(LValue src, SourceLocation loc); 23842621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 2385b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall /// CreateStaticVarDecl - Create a zero-initialized LLVM global for 2386b6bbcc9995186799a60ce17d0c1acff31601653aJohn McCall /// a static local variable. 2387651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::Constant *CreateStaticVarDecl(const VarDecl &D, 2388651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const char *Separator, 2389651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::GlobalValue::LinkageTypes Linkage); 23909cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 23910f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth /// AddInitializerToStaticVarDecl - Add the initializer for 'D' to the 23920f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth /// global variable that has already been created for it. If the initializer 23930f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth /// has a different type than GV does, this may free GV and return a different 23940f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth /// one. Otherwise it just returns GV. 23950f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth llvm::GlobalVariable * 23960f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth AddInitializerToStaticVarDecl(const VarDecl &D, 23970f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth llvm::GlobalVariable *GV); 23989cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 23990096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar 24003b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitCXXGlobalVarDeclInit - Create the initializer for a C++ 24013b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// variable with global storage. 24027ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith void EmitCXXGlobalVarDeclInit(const VarDecl &D, llvm::Constant *DeclPtr, 24037ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith bool PerformInit); 24043b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 240520bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// Call atexit() with a function that passes the given argument to 240620bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// the given function. 2407c7971a9efdf9880448a69aabb5182c3c27eecf6dDavid Blaikie void registerGlobalDtorWithAtExit(const VarDecl &D, llvm::Constant *fn, 2408c7971a9efdf9880448a69aabb5182c3c27eecf6dDavid Blaikie llvm::Constant *addr); 24091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24103030eb82593097502469a8b3fc26112c79c75605John McCall /// Emit code in this function to perform a guarded variable 24113030eb82593097502469a8b3fc26112c79c75605John McCall /// initialization. Guarded initializations are used when it's not 24123030eb82593097502469a8b3fc26112c79c75605John McCall /// possible to prove that an initialization will be done exactly 24133030eb82593097502469a8b3fc26112c79c75605John McCall /// once, e.g. with a static local variable or a static data member 24143030eb82593097502469a8b3fc26112c79c75605John McCall /// of a class template. 24150f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth void EmitCXXGuardedInit(const VarDecl &D, llvm::GlobalVariable *DeclPtr, 24167ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith bool PerformInit); 24175cd91b513455fd7753e8815b54f0a49bbca6602dJohn McCall 2418efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar /// GenerateCXXGlobalInitFunc - Generates code for initializing global 2419efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar /// variables. 2420efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar void GenerateCXXGlobalInitFunc(llvm::Function *Fn, 2421c7b5f381ed41a238aa4c243f99170909f64a3414Benjamin Kramer ArrayRef<llvm::Constant *> Decls, 24226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines llvm::GlobalVariable *Guard = nullptr); 2423efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar 24243f88f686e32949ffe02ccb551f482f9cf810358bJohn McCall /// GenerateCXXGlobalDtorsFunc - Generates code for destroying global 2425efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar /// variables. 24263f88f686e32949ffe02ccb551f482f9cf810358bJohn McCall void GenerateCXXGlobalDtorsFunc(llvm::Function *Fn, 24273f88f686e32949ffe02ccb551f482f9cf810358bJohn McCall const std::vector<std::pair<llvm::WeakVH, 24283f88f686e32949ffe02ccb551f482f9cf810358bJohn McCall llvm::Constant*> > &DtorsAndObjects); 2429efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar 2430d26bc76c98006609002d9930f8840490e88ac5b5John McCall void GenerateCXXGlobalVarDeclInitFunc(llvm::Function *Fn, 2431d26bc76c98006609002d9930f8840490e88ac5b5John McCall const VarDecl *D, 24327ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith llvm::GlobalVariable *Addr, 24337ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith bool PerformInit); 2434efb0fa9e11f75af51744a6159530ef7cc8efa24aDaniel Dunbar 2435558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall void EmitCXXConstructExpr(const CXXConstructExpr *E, AggValueSlot Dest); 243634999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian 243734999876e215b22febc240b1a6dc054215d12f9cFariborz Jahanian void EmitSynthesizedCXXCopyCtor(llvm::Value *Dest, llvm::Value *Src, 2438830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian const Expr *Exp); 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24401a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall void enterFullExpression(const ExprWithCleanups *E) { 24411a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall if (E->getNumObjects() == 0) return; 24421a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall enterNonTrivialFullExpression(E); 24431a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall } 24441a343ebbf413e8eae6b2737b2b2d79cbf5765571John McCall void enterNonTrivialFullExpression(const ExprWithCleanups *E); 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24464c71b8cded575b0cfc133c5da4502ca613982094Richard Smith void EmitCXXThrowExpr(const CXXThrowExpr *E, bool KeepInsertionPoint = true); 24471eb2e59338c4b9c0429fc39ca98662adc9e7a3f2Douglas Gregor 24484c5d8afd100189b6cce4fd89bfb8aec5700acb50Eli Friedman void EmitLambdaExpr(const LambdaExpr *E, AggValueSlot Dest); 24494c5d8afd100189b6cce4fd89bfb8aec5700acb50Eli Friedman 24506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines RValue EmitAtomicExpr(AtomicExpr *E, llvm::Value *Dest = nullptr); 2451276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 24520ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 245377f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge // Annotations Emission 245477f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge //===--------------------------------------------------------------------===// 245577f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge 245677f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge /// Emit an annotation call (intrinsic or builtin). 245777f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge llvm::Value *EmitAnnotationCall(llvm::Value *AnnotationFn, 245877f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge llvm::Value *AnnotatedVal, 2459cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko StringRef AnnotationStr, 246077f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge SourceLocation Location); 246177f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge 246277f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge /// Emit local annotations for the local variable V, declared by D. 246377f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge void EmitVarAnnotations(const VarDecl *D, llvm::Value *V); 246477f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge 246577f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge /// Emit field annotations for the given field & value. Returns the 246677f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge /// annotation result. 246777f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge llvm::Value *EmitFieldAnnotations(const FieldDecl *D, llvm::Value *V); 246877f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge 246977f68bb90af93b95045fb994e7cd68137adcc132Julien Lerouge //===--------------------------------------------------------------------===// 24700ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar // Internal Helpers 24710ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 24720dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 24730946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// ContainsLabel - Return true if the statement contains a label in it. If 24740946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// this statement is not executed normally, it not containing a label means 24750946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// that we can just remove the code. 24760946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner static bool ContainsLabel(const Stmt *S, bool IgnoreCaseStmts = false); 24770dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2478ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// containsBreak - Return true if the statement contains a break out of it. 2479ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// If the statement (recursively) contains a switch or loop with a break 2480ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// inside of it, this is fine. 2481ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner static bool containsBreak(const Stmt *S); 2482ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner 24834bc0455d826e9634b7a68c0d06146edd633c9453Daniel Dunbar /// ConstantFoldsToSimpleInteger - If the specified expression does not fold 2484c2c90011a688c04a4e980282f08c267e081c4b00Chris Lattner /// to a constant, or if it does but contains a label, return false. If it 2485c2c90011a688c04a4e980282f08c267e081c4b00Chris Lattner /// constant folds return true and set the boolean result in Result. 2486c2c90011a688c04a4e980282f08c267e081c4b00Chris Lattner bool ConstantFoldsToSimpleInteger(const Expr *Cond, bool &Result); 24870dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2488ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// ConstantFoldsToSimpleInteger - If the specified expression does not fold 2489ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// to a constant, or if it does but contains a label, return false. If it 2490ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner /// constant folds return true and set the folded value. 2491e1ecdc168175719d74e112bcacd4aae5e12d4631Richard Trieu bool ConstantFoldsToSimpleInteger(const Expr *Cond, llvm::APSInt &Result); 2492ef425a69006afaa87751ee41ccf8ff405d9ede70Chris Lattner 249331a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// EmitBranchOnBoolExpr - Emit a branch on a boolean condition (e.g. for an 249431a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// if statement) to the specified blocks. Based on the condition, this might 249531a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// try to simplify the codegen of the conditional based on the branch. 2496651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// TrueCount should be the number of times we expect the condition to 2497651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines /// evaluate to true based on PGO data. 24989bc47e29dce8f095be7a6d07dbb02a5a7a112949Chris Lattner void EmitBranchOnBoolExpr(const Expr *Cond, llvm::BasicBlock *TrueBlock, 2499651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::BasicBlock *FalseBlock, uint64_t TrueCount); 2500be07f60131bc6f8d6696f4644df1ef667a1730d5Mike Stump 25014def70d3040e73707c738f7c366737a986135edfRichard Smith /// \brief Emit a description of a type in a format suitable for passing to 25024def70d3040e73707c738f7c366737a986135edfRichard Smith /// a runtime sanitizer handler. 25034def70d3040e73707c738f7c366737a986135edfRichard Smith llvm::Constant *EmitCheckTypeDescriptor(QualType T); 25044def70d3040e73707c738f7c366737a986135edfRichard Smith 25054def70d3040e73707c738f7c366737a986135edfRichard Smith /// \brief Convert a value into a format suitable for passing to a runtime 25064def70d3040e73707c738f7c366737a986135edfRichard Smith /// sanitizer handler. 25074def70d3040e73707c738f7c366737a986135edfRichard Smith llvm::Value *EmitCheckValue(llvm::Value *V); 25084def70d3040e73707c738f7c366737a986135edfRichard Smith 25094def70d3040e73707c738f7c366737a986135edfRichard Smith /// \brief Emit a description of a source location in a format suitable for 25104def70d3040e73707c738f7c366737a986135edfRichard Smith /// passing to a runtime sanitizer handler. 25114def70d3040e73707c738f7c366737a986135edfRichard Smith llvm::Constant *EmitCheckSourceLocation(SourceLocation Loc); 25124def70d3040e73707c738f7c366737a986135edfRichard Smith 2513ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz /// \brief Specify under what conditions this check can be recovered 2514ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz enum CheckRecoverableKind { 2515ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz /// Always terminate program execution if this check fails 2516ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz CRK_Unrecoverable, 2517ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz /// Check supports recovering, allows user to specify which 2518ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz CRK_Recoverable, 2519ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz /// Runtime conditionally aborts, always need to support recovery. 2520ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz CRK_AlwaysRecoverable 2521ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz }; 2522ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz 2523cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith /// \brief Create a basic block that will call a handler function in a 2524cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith /// sanitizer runtime with the provided arguments, and create a conditional 2525cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith /// branch to it. 25264def70d3040e73707c738f7c366737a986135edfRichard Smith void EmitCheck(llvm::Value *Checked, StringRef CheckName, 2527cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko ArrayRef<llvm::Constant *> StaticArgs, 2528cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko ArrayRef<llvm::Value *> DynamicArgs, 2529ad95481b2769ad61f23afc5e2c31f11c66090657Will Dietz CheckRecoverableKind Recoverable); 25309cac4942b920d4c5514e71949e3062ed626bfbdfMichael J. Spencer 2531cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith /// \brief Create a basic block that will call the trap intrinsic, and emit a 2532cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith /// conditional branch to it, for the -ftrapv checks. 253378d85b1c5830a881c0a20a1b3fea99ee73149590Chad Rosier void EmitTrapCheck(llvm::Value *Checked); 2534cc305617e952f8c3a06b63d9225d0dd7769341b7Richard Smith 253521c9ad9d29d08a287292c670e7c52bc522c7f8bbAnders Carlsson /// EmitCallArg - Emit a single call argument. 2536413ebdb1af6fb0d81845b61254daf02ba0449afdJohn McCall void EmitCallArg(CallArgList &args, const Expr *E, QualType ArgType); 253721c9ad9d29d08a287292c670e7c52bc522c7f8bbAnders Carlsson 25382736071ea3a46f90e65c93418961611d96c10ab9John McCall /// EmitDelegateCallArg - We are performing a delegate call; that 25392736071ea3a46f90e65c93418961611d96c10ab9John McCall /// is, the current function is delegating to another one. Produce 25402736071ea3a46f90e65c93418961611d96c10ab9John McCall /// a r-value suitable for passing the given parameter. 25414ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky void EmitDelegateCallArg(CallArgList &args, const VarDecl *param, 25424ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation loc); 25432736071ea3a46f90e65c93418961611d96c10ab9John McCall 2544c5096cbf7a42e0f9012945b00d9037a5b5a88d72Peter Collingbourne /// SetFPAccuracy - Set the minimum required accuracy of the given floating 2545c5096cbf7a42e0f9012945b00d9037a5b5a88d72Peter Collingbourne /// point operation, expressed as the maximum relative error in ulp. 25468250016fb9491fcfde7fce05230d66e267944484Duncan Sands void SetFPAccuracy(llvm::Value *Val, float Accuracy); 2547c5096cbf7a42e0f9012945b00d9037a5b5a88d72Peter Collingbourne 254831a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattnerprivate: 2549c3f8955d7da1019dbe16b0bdf3e49d2e08d988e9Rafael Espindola llvm::MDNode *getRangeForLoadFromType(QualType Ty); 255029e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar void EmitReturnOfRValue(RValue RV, QualType Ty); 255129e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 2552651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void deferPlaceholderReplacement(llvm::Instruction *Old, llvm::Value *New); 2553651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2554651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines llvm::SmallVector<std::pair<llvm::Instruction *, llvm::Value *>, 4> 2555651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DeferredReplacements; 2556651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 25575627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty 25585627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// from function arguments into \arg Dst. See ABIArgInfo::Expand. 25595627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// 25605627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \param AI - The first function argument of the expansion. 25615627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \return The argument following the last expanded function 25625627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// argument. 25630dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump llvm::Function::arg_iterator 25645627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar ExpandTypeFromArgs(QualType Ty, LValue Dst, 25655627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator AI); 25665627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 25670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type for \arg 25680dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// Ty, into individual arguments on the provided vector \arg Args. See 25690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ABIArgInfo::Expand. 25700dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void ExpandTypeToArgs(QualType Ty, RValue Src, 25716b9240e058bf3451685df73fc8ce181b3046e92bCraig Topper SmallVectorImpl<llvm::Value *> &Args, 2572811bf3669f4d82c57fe3cd3c49050fdbc95d0affChris Lattner llvm::FunctionType *IRFuncTy); 2573c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson 257442b60551eff3a424e191b293bfd606559dc96bffChad Rosier llvm::Value* EmitAsmInput(const TargetInfo::ConstraintInfo &Info, 2575c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson const Expr *InputExpr, std::string &ConstraintStr); 25760dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 257742b60551eff3a424e191b293bfd606559dc96bffChad Rosier llvm::Value* EmitAsmInputLValue(const TargetInfo::ConstraintInfo &Info, 25786d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman LValue InputValue, QualType InputType, 25794ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky std::string &ConstraintStr, 25804ee7dc2369c1f0257a73b2e83a7d38fdebdd9176Nick Lewycky SourceLocation Loc); 25816d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman 2582651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinespublic: 25830139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson /// EmitCallArgs - Emit call arguments for a function. 2584651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines template <typename T> 2585651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void EmitCallArgs(CallArgList &Args, const T *CallArgTypeInfo, 25860139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 2587b0e603c63813c8378e35a75408ab4cefe71e93e2Adrian Prantl CallExpr::const_arg_iterator ArgEnd, 2588b0e603c63813c8378e35a75408ab4cefe71e93e2Adrian Prantl bool ForceColumnInfo = false) { 2589651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (CallArgTypeInfo) { 2590651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines EmitCallArgs(Args, CallArgTypeInfo->isVariadic(), 2591651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CallArgTypeInfo->param_type_begin(), 2592651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CallArgTypeInfo->param_type_end(), ArgBeg, ArgEnd, 2593651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ForceColumnInfo); 2594651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else { 2595651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // T::param_type_iterator might not have a default ctor. 25966bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const QualType *NoIter = nullptr; 2597651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines EmitCallArgs(Args, /*AllowExtraArguments=*/true, NoIter, NoIter, ArgBeg, 2598651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ArgEnd, ForceColumnInfo); 2599651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2600651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2601b0e603c63813c8378e35a75408ab4cefe71e93e2Adrian Prantl 2602651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines template<typename ArgTypeIterator> 2603651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void EmitCallArgs(CallArgList& Args, 2604651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines bool AllowExtraArguments, 2605651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ArgTypeIterator ArgTypeBeg, 2606651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ArgTypeIterator ArgTypeEnd, 2607651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CallExpr::const_arg_iterator ArgBeg, 2608651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CallExpr::const_arg_iterator ArgEnd, 2609651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines bool ForceColumnInfo = false) { 2610651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SmallVector<QualType, 16> ArgTypes; 2611b0e603c63813c8378e35a75408ab4cefe71e93e2Adrian Prantl CallExpr::const_arg_iterator Arg = ArgBeg; 2612af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 2613af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // First, use the argument types that the type info knows about 2614651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines for (ArgTypeIterator I = ArgTypeBeg, E = ArgTypeEnd; I != E; ++I, ++Arg) { 2615651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(Arg != ArgEnd && "Running over edge of argument list!"); 2616745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian#ifndef NDEBUG 2617651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines QualType ArgType = *I; 2618651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines QualType ActualArgType = Arg->getType(); 2619651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ArgType->isPointerType() && ActualArgType->isPointerType()) { 2620651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines QualType ActualBaseType = 2621745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ActualArgType->getAs<PointerType>()->getPointeeType(); 2622651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines QualType ArgBaseType = 2623745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArgType->getAs<PointerType>()->getPointeeType(); 2624651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ArgBaseType->isVariableArrayType()) { 2625651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (const VariableArrayType *VAT = 2626651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getContext().getAsVariableArrayType(ActualBaseType)) { 2627651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!VAT->getSizeExpr()) 2628651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ActualArgType = ArgType; 2629745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 2630745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 2631af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 2632651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(getContext().getCanonicalType(ArgType.getNonReferenceType()). 2633651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getTypePtr() == 2634651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getContext().getCanonicalType(ActualArgType).getTypePtr() && 2635651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines "type mismatch in call argument!"); 2636651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#endif 2637651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ArgTypes.push_back(*I); 2638af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 26391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2640651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Either we've emitted all the call args, or we have a call to variadic 2641651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // function or some other call that allows extra arguments. 2642651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert((Arg == ArgEnd || AllowExtraArguments) && 2643651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines "Extra arguments in non-variadic function!"); 2644651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2645af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // If we still have any arguments, emit them using the type of the argument. 2646651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines for (; Arg != ArgEnd; ++Arg) 2647651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ArgTypes.push_back(Arg->getType()); 2648b0e603c63813c8378e35a75408ab4cefe71e93e2Adrian Prantl 2649651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines EmitCallArgs(Args, ArgTypes, ArgBeg, ArgEnd, ForceColumnInfo); 2650af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 2651492c4f998d848673d3d6c9e6416115df4036a71dJohn McCall 2652651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void EmitCallArgs(CallArgList &Args, ArrayRef<QualType> ArgTypes, 2653651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines CallExpr::const_arg_iterator ArgBeg, 2654ef8225444452a1486bd721f3285301fe84643b00Stephen Hines CallExpr::const_arg_iterator ArgEnd, 2655ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool ForceColumnInfo = false); 2656651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2657651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesprivate: 2658492c4f998d848673d3d6c9e6416115df4036a71dJohn McCall const TargetCodeGenInfo &getTargetHooks() const { 2659492c4f998d848673d3d6c9e6416115df4036a71dJohn McCall return CGM.getTargetCodeGenInfo(); 2660492c4f998d848673d3d6c9e6416115df4036a71dJohn McCall } 2661744016dde06fcffd50931e94a98c850f8b12cd87John McCall 2662744016dde06fcffd50931e94a98c850f8b12cd87John McCall void EmitDeclMetadata(); 2663f0c11f7e6848f023ced6a5b51399ba787c7d4d0bJohn McCall 2664f0c11f7e6848f023ced6a5b51399ba787c7d4d0bJohn McCall CodeGenModule::ByrefHelpers * 26652acc6e3feda5e4f7d9009bdcf8b1cd777fecfe2dChris Lattner buildByrefHelpers(llvm::StructType &byrefType, 2666f0c11f7e6848f023ced6a5b51399ba787c7d4d0bJohn McCall const AutoVarEmission &emission); 2667b49bd27b334a6c4e3bf9d810a7d5b022578f1194Dan Gohman 2668b49bd27b334a6c4e3bf9d810a7d5b022578f1194Dan Gohman void AddObjCARCExceptionMetadata(llvm::Instruction *Inst); 2669f4c3db175101cbf94dad59419c3ed7aed51bf606Jay Foad 2670ea93e40785ffeadfac66b948c95f9490ec26207aEli Friedman /// GetPointeeAlignment - Given an expression with a pointer type, emit the 2671ea93e40785ffeadfac66b948c95f9490ec26207aEli Friedman /// value and compute our best estimate of the alignment of the pointee. 2672ea93e40785ffeadfac66b948c95f9490ec26207aEli Friedman std::pair<llvm::Value*, unsigned> EmitPointerWithAlignment(const Expr *Addr); 26735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall/// Helper class with most of the code for saving a value for a 2676150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall/// conditional expression cleanup. 2677804b807ea918184d6de63bd745e1ff75a9bfc679John McCallstruct DominatingLLVMValue { 2678150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall typedef llvm::PointerIntPair<llvm::Value*, 1, bool> saved_type; 2679150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2680150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// Answer whether the given value needs extra work to be saved. 2681150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall static bool needsSaving(llvm::Value *value) { 2682150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall // If it's not an instruction, we don't need to save. 2683150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall if (!isa<llvm::Instruction>(value)) return false; 2684150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2685150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall // If it's an instruction in the entry block, we don't need to save. 2686150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall llvm::BasicBlock *block = cast<llvm::Instruction>(value)->getParent(); 2687150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall return (block != &block->getParent()->getEntryBlock()); 2688150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 2689150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2690150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall /// Try to save the given value. 2691150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall static saved_type save(CodeGenFunction &CGF, llvm::Value *value) { 2692150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall if (!needsSaving(value)) return saved_type(value, false); 2693150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2694150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall // Otherwise we need an alloca. 2695150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall llvm::Value *alloca = 2696150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CGF.CreateTempAlloca(value->getType(), "cond-cleanup.save"); 2697150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall CGF.Builder.CreateStore(value, alloca); 2698150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2699150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall return saved_type(alloca, true); 2700150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 2701150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2702150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall static llvm::Value *restore(CodeGenFunction &CGF, saved_type value) { 2703150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall if (!value.getInt()) return value.getPointer(); 2704150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall return CGF.Builder.CreateLoad(value.getPointer()); 2705150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 2706150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall}; 2707150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 2708804b807ea918184d6de63bd745e1ff75a9bfc679John McCall/// A partial specialization of DominatingValue for llvm::Values that 2709804b807ea918184d6de63bd745e1ff75a9bfc679John McCall/// might be llvm::Instructions. 2710804b807ea918184d6de63bd745e1ff75a9bfc679John McCalltemplate <class T> struct DominatingPointer<T,true> : DominatingLLVMValue { 2711804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typedef T *type; 2712804b807ea918184d6de63bd745e1ff75a9bfc679John McCall static type restore(CodeGenFunction &CGF, saved_type value) { 2713804b807ea918184d6de63bd745e1ff75a9bfc679John McCall return static_cast<T*>(DominatingLLVMValue::restore(CGF, value)); 2714804b807ea918184d6de63bd745e1ff75a9bfc679John McCall } 2715804b807ea918184d6de63bd745e1ff75a9bfc679John McCall}; 2716804b807ea918184d6de63bd745e1ff75a9bfc679John McCall 2717804b807ea918184d6de63bd745e1ff75a9bfc679John McCall/// A specialization of DominatingValue for RValue. 2718804b807ea918184d6de63bd745e1ff75a9bfc679John McCalltemplate <> struct DominatingValue<RValue> { 2719804b807ea918184d6de63bd745e1ff75a9bfc679John McCall typedef RValue type; 2720804b807ea918184d6de63bd745e1ff75a9bfc679John McCall class saved_type { 2721804b807ea918184d6de63bd745e1ff75a9bfc679John McCall enum Kind { ScalarLiteral, ScalarAddress, AggregateLiteral, 2722804b807ea918184d6de63bd745e1ff75a9bfc679John McCall AggregateAddress, ComplexAddress }; 2723804b807ea918184d6de63bd745e1ff75a9bfc679John McCall 2724804b807ea918184d6de63bd745e1ff75a9bfc679John McCall llvm::Value *Value; 2725804b807ea918184d6de63bd745e1ff75a9bfc679John McCall Kind K; 2726804b807ea918184d6de63bd745e1ff75a9bfc679John McCall saved_type(llvm::Value *v, Kind k) : Value(v), K(k) {} 2727804b807ea918184d6de63bd745e1ff75a9bfc679John McCall 2728804b807ea918184d6de63bd745e1ff75a9bfc679John McCall public: 2729804b807ea918184d6de63bd745e1ff75a9bfc679John McCall static bool needsSaving(RValue value); 2730804b807ea918184d6de63bd745e1ff75a9bfc679John McCall static saved_type save(CodeGenFunction &CGF, RValue value); 2731804b807ea918184d6de63bd745e1ff75a9bfc679John McCall RValue restore(CodeGenFunction &CGF); 2732804b807ea918184d6de63bd745e1ff75a9bfc679John McCall 2733804b807ea918184d6de63bd745e1ff75a9bfc679John McCall // implementations in CGExprCXX.cpp 2734804b807ea918184d6de63bd745e1ff75a9bfc679John McCall }; 2735804b807ea918184d6de63bd745e1ff75a9bfc679John McCall 2736804b807ea918184d6de63bd745e1ff75a9bfc679John McCall static bool needsSaving(type value) { 2737804b807ea918184d6de63bd745e1ff75a9bfc679John McCall return saved_type::needsSaving(value); 2738804b807ea918184d6de63bd745e1ff75a9bfc679John McCall } 2739804b807ea918184d6de63bd745e1ff75a9bfc679John McCall static saved_type save(CodeGenFunction &CGF, type value) { 2740804b807ea918184d6de63bd745e1ff75a9bfc679John McCall return saved_type::save(CGF, value); 2741804b807ea918184d6de63bd745e1ff75a9bfc679John McCall } 2742150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall static type restore(CodeGenFunction &CGF, saved_type value) { 2743804b807ea918184d6de63bd745e1ff75a9bfc679John McCall return value.restore(CGF); 2744150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall } 2745150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall}; 2746150b462afc7a713edd19bcbbbb22381fe060d4f5John McCall 27475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 27485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 27494e1524babb095e70de1da882573eb6fbee98a857Fariborz Jahanian 27505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2751